22425936 has 80 divisors (see below), whose sum is σ = 63287616. Its totient is φ = 6801408.

The previous prime is 22425917. The next prime is 22425937. The reversal of 22425936 is 63952422.

Its product of digits (25920) is a multiple of the sum of its prime factors (540).

It is a junction number, because it is equal to n+sod(n) for n = 22425897 and 22425906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425937) 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, 51576 + ... + 52008.

Almost surely, 2^22425936 is an apocalyptic number.

22425936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22425936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31643808).

22425936 is an abundant number, since it is smaller than the sum of its proper divisors (40861680).

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

22425936 is a wasteful number, since it uses less digits than its factorization.

22425936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 534 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 22425936 is about 4735.6030239031. The cubic root of 22425936 is about 282.0007041882. Note that the first 3 decimals are identical.

The spelling of 22425936 in words is "twenty-two million, four hundred twenty-five thousand, nine hundred thirty-six".