22396894 has 48 divisors (see below), whose sum is σ = 39422592. Its totient is φ = 9513504.

The previous prime is 22396889. The next prime is 22396901. The reversal of 22396894 is 49869322.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 22396894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334249 + ... + 334315.

It is an arithmetic number, because the mean of its divisors is an integer number (821304).

Almost surely, 2^22396894 is an apocalyptic number.

22396894 is a deficient number, since it is larger than the sum of its proper divisors (17025698).

22396894 is a wasteful number, since it uses less digits than its factorization.

22396894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 148 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 22396894 is about 4732.5356839648. The cubic root of 22396894 is about 281.8789195673.

The spelling of 22396894 in words is "twenty-two million, three hundred ninety-six thousand, eight hundred ninety-four".