22496838 has 32 divisors (see below), whose sum is σ = 55378176. Its totient is φ = 5933088.

The previous prime is 22496827. The next prime is 22496839. The reversal of 22496838 is 83869422.

It is a super-2 number, since 2×22496838² = 1012215439996488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 22496838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22496839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20056 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (1730568).

Almost surely, 2^22496838 is an apocalyptic number.

22496838 is an abundant number, since it is smaller than the sum of its proper divisors (32881338).

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

22496838 is a wasteful number, since it uses less digits than its factorization.

22496838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41228.

The product of its digits is 165888, while the sum is 42.

The square root of 22496838 is about 4743.0831744763. The cubic root of 22496838 is about 282.2975833518.

The spelling of 22496838 in words is "twenty-two million, four hundred ninety-six thousand, eight hundred thirty-eight".