22057396 has 6 divisors (see below), whose sum is σ = 38600450. Its totient is φ = 11028696.

The previous prime is 22057393. The next prime is 22057397. The reversal of 22057396 is 69375022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20702500 + 1354896 = 4550^2 + 1164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22057393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757171 + ... + 2757178.

Almost surely, 2^22057396 is an apocalyptic number.

It is an amenable number.

22057396 is a deficient number, since it is larger than the sum of its proper divisors (16543054).

22057396 is a wasteful number, since it uses less digits than its factorization.

22057396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514353 (or 5514351 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 22057396 is about 4696.5302085689. The cubic root of 22057396 is about 280.4473969925.

The spelling of 22057396 in words is "twenty-two million, fifty-seven thousand, three hundred ninety-six".