22457685 has 16 divisors (see below), whose sum is σ = 35994816. Its totient is φ = 11956608.

The previous prime is 22457657. The next prime is 22457689. The reversal of 22457685 is 58675422.

It is not a de Polignac number, because 22457685 - 2¹¹ = 22455637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22457689) 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, 11982 + ... + 13728.

It is an arithmetic number, because the mean of its divisors is an integer number (2249676).

Almost surely, 2^22457685 is an apocalyptic number.

It is an amenable number.

22457685 is a deficient number, since it is larger than the sum of its proper divisors (13537131).

22457685 is a wasteful number, since it uses less digits than its factorization.

22457685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612.

The product of its digits is 134400, while the sum is 39.

The square root of 22457685 is about 4738.9539985106. The cubic root of 22457685 is about 282.1337200938.

The spelling of 22457685 in words is "twenty-two million, four hundred fifty-seven thousand, six hundred eighty-five".