22856394 has 16 divisors (see below), whose sum is σ = 49868640. Its totient is φ = 6926160.

The previous prime is 22856389. The next prime is 22856399. The reversal of 22856394 is 49365822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22856389) and next prime (22856399).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22856399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173089 + ... + 173220.

It is an arithmetic number, because the mean of its divisors is an integer number (3116790).

Almost surely, 2^22856394 is an apocalyptic number.

22856394 is an abundant number, since it is smaller than the sum of its proper divisors (27012246).

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

22856394 is a wasteful number, since it uses less digits than its factorization.

22856394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346325.

The product of its digits is 103680, while the sum is 39.

The square root of 22856394 is about 4780.8361193415. The cubic root of 22856394 is about 283.7935830640.

The spelling of 22856394 in words is "twenty-two million, eight hundred fifty-six thousand, three hundred ninety-four".