22857412 has 6 divisors (see below), whose sum is σ = 40000478. Its totient is φ = 11428704.

The previous prime is 22857407. The next prime is 22857421. The reversal of 22857412 is 21475822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 427716 = 4736^2 + 654^2 .

It is a super-2 number, since 2×22857412² = 1044922566675488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857173 + ... + 2857180.

Almost surely, 2^22857412 is an apocalyptic number.

It is an amenable number.

22857412 is a deficient number, since it is larger than the sum of its proper divisors (17143066).

22857412 is a wasteful number, since it uses less digits than its factorization.

22857412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714357 (or 5714355 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 22857412 is about 4780.9425848885. The cubic root of 22857412 is about 283.7977962917.

The spelling of 22857412 in words is "twenty-two million, eight hundred fifty-seven thousand, four hundred twelve".