Search a number
-
+
22528834 = 212778821
BaseRepresentation
bin101010111110…
…0001101000010
31120101120202021
41111330031002
521231410314
62122512054
7362330506
oct125741502
946346667
1022528834
1111798279
12766562a
13488a493
142dc6306
151ea0324
hex157c342

22528834 has 8 divisors (see below), whose sum is σ = 33823548. Its totient is φ = 11254320.

The previous prime is 22528829. The next prime is 22528841. The reversal of 22528834 is 43882522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22043025 + 485809 = 4695^2 + 697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×225288342 = 1015096722799112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22528834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857 + ... + 6964.

Almost surely, 222528834 is an apocalyptic number.

22528834 is a deficient number, since it is larger than the sum of its proper divisors (11294714).

22528834 is a wasteful number, since it uses less digits than its factorization.

22528834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100.

The product of its digits is 30720, while the sum is 34.

The square root of 22528834 is about 4746.4548875977. The cubic root of 22528834 is about 282.4313519991.

The spelling of 22528834 in words is "twenty-two million, five hundred twenty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 1277 2554 8821 17642 11264417 22528834