22907090 has 16 divisors (see below), whose sum is σ = 41330520. Its totient is φ = 9141120.

The previous prime is 22907083. The next prime is 22907119. The reversal of 22907090 is 9070922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13053769 + 9853321 = 3613^2 + 3139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 7094.

Almost surely, 2^22907090 is an apocalyptic number.

22907090 is a deficient number, since it is larger than the sum of its proper divisors (18423430).

22907090 is a wasteful number, since it uses less digits than its factorization.

22907090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 22907090 is about 4786.1351840499. The cubic root of 22907090 is about 284.0032483263.

It can be divided in two parts, 2 and 2907090, that added together give a palindrome (2907092).

The spelling of 22907090 in words is "twenty-two million, nine hundred seven thousand, ninety".