22935040 has 120 divisors (see below), whose sum is σ = 60299712. Its totient is φ = 8355840.

The previous prime is 22935019. The next prime is 22935041. The reversal of 22935040 is 4053922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22934996 and 22935014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22935041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739825 + ... + 739855.

Almost surely, 2^22935040 is an apocalyptic number.

22935040 is a gapful number since it is divisible by the number (20) 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 22935040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30149856).

22935040 is an abundant number, since it is smaller than the sum of its proper divisors (37364672).

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

22935040 is an equidigital number, since it uses as much as digits as its factorization.

22935040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22935040 is about 4789.0541863713. The cubic root of 22935040 is about 284.1187098786.

Adding to 22935040 its reverse (4053922), we get a palindrome (26988962).

The spelling of 22935040 in words is "twenty-two million, nine hundred thirty-five thousand, forty".