Search a number
-
+
22434204 = 22313314639
BaseRepresentation
bin101010110010…
…1000110011100
31120012202221110
41111211012130
521220343304
62120502020
7361454562
oct125450634
946182843
1022434204
1111733171
12761a910
1348563a0
142d9da32
151e82289
hex156519c

22434204 has 48 divisors (see below), whose sum is σ = 58204160. Its totient is φ = 6678720.

The previous prime is 22434199. The next prime is 22434227. The reversal of 22434204 is 40243422.

It is a super-2 number, since 2×224342042 = 1006587018227232, which contains 22 as substring.

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, 2517 + ... + 7155.

Almost surely, 222434204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22434204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29102080).

22434204 is an abundant number, since it is smaller than the sum of its proper divisors (35769956).

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

22434204 is a wasteful number, since it uses less digits than its factorization.

22434204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 22434204 is about 4736.4759051430. The cubic root of 22434204 is about 282.0353559614.

Adding to 22434204 its reverse (40243422), we get a palindrome (62677626).

The spelling of 22434204 in words is "twenty-two million, four hundred thirty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 13 26 31 39 52 62 78 93 124 156 186 372 403 806 1209 1612 2418 4639 4836 9278 13917 18556 27834 55668 60307 120614 143809 180921 241228 287618 361842 431427 575236 723684 862854 1725708 1869517 3739034 5608551 7478068 11217102 22434204