22897609 has 16 divisors (see below), whose sum is σ = 26732160. Its totient is φ = 19209600.

The previous prime is 22897607. The next prime is 22897649. The reversal of 22897609 is 90679822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22897609 - 2¹ = 22897607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22897607) 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, 98157 + ... + 98389.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^22897609 is an apocalyptic number.

It is an amenable number.

22897609 is a deficient number, since it is larger than the sum of its proper divisors (3834551).

22897609 is a wasteful number, since it uses less digits than its factorization.

22897609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 22897609 is about 4785.1446164144. The cubic root of 22897609 is about 283.9640609485.

The spelling of 22897609 in words is "twenty-two million, eight hundred ninety-seven thousand, six hundred nine".