22907490 has 16 divisors (see below), whose sum is σ = 54978048. Its totient is φ = 6108656.

The previous prime is 22907447. The next prime is 22907491. The reversal of 22907490 is 9470922.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22907491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381762 + ... + 381821.

It is an arithmetic number, because the mean of its divisors is an integer number (3436128).

Almost surely, 2^22907490 is an apocalyptic number.

22907490 is an abundant number, since it is smaller than the sum of its proper divisors (32070558).

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

22907490 is a wasteful number, since it uses less digits than its factorization.

22907490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763593.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 22907490 is about 4786.1769712371. The cubic root of 22907490 is about 284.0049013900.

The spelling of 22907490 in words is "twenty-two million, nine hundred seven thousand, four hundred ninety".