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222474 = 2375297
BaseRepresentation
bin110110010100001010
3102022011210
4312110022
524104344
64433550
71614420
oct662412
9368153
10222474
1114216a
12a88b6
137a355
145b110
1545db9
hex3650a

222474 has 16 divisors (see below), whose sum is σ = 508608. Its totient is φ = 63552.

The previous prime is 222461. The next prime is 222493. The reversal of 222474 is 474222.

222474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 222474.

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, 2607 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (31788).

2222474 is an apocalyptic number.

222474 is an abundant number, since it is smaller than the sum of its proper divisors (286134).

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

222474 is a wasteful number, since it uses less digits than its factorization.

222474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309.

The product of its digits is 896, while the sum is 21.

The square root of 222474 is about 471.6714958528. The cubic root of 222474 is about 60.5935533231.

Adding to 222474 its reverse (474222), we get a palindrome (696696).

It can be divided in two parts, 22247 and 4, that multiplied together give a palindrome (88988).

The spelling of 222474 in words is "two hundred twenty-two thousand, four hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 7 14 21 42 5297 10594 15891 31782 37079 74158 111237 222474