22925020 has 96 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 7983360.

The previous prime is 22925017. The next prime is 22925029. The reversal of 22925020 is 2052922.

It is a junction number, because it is equal to n+sod(n) for n = 22924982 and 22925000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22925029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375790 + ... + 375850.

It is an arithmetic number, because the mean of its divisors is an integer number (572880).

Almost surely, 2^22925020 is an apocalyptic number.

22925020 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 22925020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).

22925020 is an abundant number, since it is smaller than the sum of its proper divisors (32071460).

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

22925020 is a wasteful number, since it uses less digits than its factorization.

22925020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22925020 is about 4788.0079365014. The cubic root of 22925020 is about 284.0773280140.

Adding to 22925020 its reverse (2052922), we get a palindrome (24977942).

The spelling of 22925020 in words is "twenty-two million, nine hundred twenty-five thousand, twenty".