Search a number
-
+
22220002230 = 235740666741
BaseRepresentation
bin10100101100011010…
…100101001110110110
32010100112212001210120
4110230122211032312
5331001310032410
614112511432410
71414426621416
oct245432451666
963315761716
1022220002230
119472680608
124381525706
1321315c071a
14110b08c646
158a0ad9570
hex52c6a53b6

22220002230 has 16 divisors (see below), whose sum is σ = 53328005424. Its totient is φ = 5925333920.

The previous prime is 22220002199. The next prime is 22220002241. The reversal of 22220002230 is 3220002222.

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 7 ways as a sum of consecutive naturals, for example, 370333341 + ... + 370333400.

It is an arithmetic number, because the mean of its divisors is an integer number (3333000339).

Almost surely, 222220002230 is an apocalyptic number.

22220002230 is an abundant number, since it is smaller than the sum of its proper divisors (31108003194).

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

22220002230 is a wasteful number, since it uses less digits than its factorization.

22220002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740666751.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 22220002230 its reverse (3220002222), we get a palindrome (25440004452).

The spelling of 22220002230 in words is "twenty-two billion, two hundred twenty million, two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 740666741 1481333482 2222000223 3703333705 4444000446 7406667410 11110001115 22220002230