22951936 has 48 divisors (see below), whose sum is σ = 52481520. Its totient is φ = 9830400.

The previous prime is 22951927. The next prime is 22951939. The reversal of 22951936 is 63915922.

It is a super-2 number, since 2×22951936² = 1053582732296192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22951895 and 22951904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22951939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13536 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (1093365).

Almost surely, 2^22951936 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 22951936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26240760).

22951936 is an abundant number, since it is smaller than the sum of its proper divisors (29529584).

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

22951936 is an equidigital number, since it uses as much as digits as its factorization.

22951936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1610 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 22951936 is about 4790.8178842448. The cubic root of 22951936 is about 284.1884618300.

The spelling of 22951936 in words is "twenty-two million, nine hundred fifty-one thousand, nine hundred thirty-six".