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222013140 = 223516722157
BaseRepresentation
bin11010011101110…
…10011011010100
3120110202102202220
431032322123110
5423313410030
634010302340
75334036426
oct1516723324
9513672686
10222013140
11104358838
12624279b0
1336cc3b2b
14216b2816
1514756a10
hexd3ba6d4

222013140 has 48 divisors (see below), whose sum is σ = 625387392. Its totient is φ = 58846336.

The previous prime is 222013109. The next prime is 222013151. The reversal of 222013140 is 41310222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 21098.

It is an arithmetic number, because the mean of its divisors is an integer number (13028904).

Almost surely, 2222013140 is an apocalyptic number.

222013140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222013140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312693696).

222013140 is an abundant number, since it is smaller than the sum of its proper divisors (403374252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222013140 is a wasteful number, since it uses less digits than its factorization.

222013140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22336 (or 22334 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222013140 is about 14900.1053687549. The cubic root of 222013140 is about 605.5168408633.

Adding to 222013140 its reverse (41310222), we get a palindrome (263323362).

The spelling of 222013140 in words is "two hundred twenty-two million, thirteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 167 334 501 668 835 1002 1670 2004 2505 3340 5010 10020 22157 44314 66471 88628 110785 132942 221570 265884 332355 443140 664710 1329420 3700219 7400438 11100657 14800876 18501095 22201314 37002190 44402628 55503285 74004380 111006570 222013140