22897506 has 16 divisors (see below), whose sum is σ = 45860544. Its totient is φ = 7621584.

The previous prime is 22897471. The next prime is 22897519. The reversal of 22897506 is 60579822.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (2866284).

Almost surely, 2^22897506 is an apocalyptic number.

22897506 is an abundant number, since it is smaller than the sum of its proper divisors (22963038).

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

22897506 is a wasteful number, since it uses less digits than its factorization.

22897506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 22897506 is about 4785.1338539272. The cubic root of 22897506 is about 283.9636351640.

The spelling of 22897506 in words is "twenty-two million, eight hundred ninety-seven thousand, five hundred six".