22985390 has 16 divisors (see below), whose sum is σ = 41608080. Its totient is φ = 9142080.

The previous prime is 22985387. The next prime is 22985401. The reversal of 22985390 is 9358922.

It is a congruent number.

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, 4631 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (2600505).

Almost surely, 2^22985390 is an apocalyptic number.

22985390 is a deficient number, since it is larger than the sum of its proper divisors (18622690).

22985390 is a wasteful number, since it uses less digits than its factorization.

22985390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 22985390 is about 4794.3080835507. The cubic root of 22985390 is about 284.3264694385.

The spelling of 22985390 in words is "twenty-two million, nine hundred eighty-five thousand, three hundred ninety".