22857148 has 12 divisors (see below), whose sum is σ = 40045432. Its totient is φ = 11415600.

The previous prime is 22857119. The next prime is 22857167. The reversal of 22857148 is 84175822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486 + ... + 6922.

Almost surely, 2^22857148 is an apocalyptic number.

It is an amenable number.

22857148 is a deficient number, since it is larger than the sum of its proper divisors (17188284).

22857148 is a wasteful number, since it uses less digits than its factorization.

22857148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 6490 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 22857148 is about 4780.9149751904. The cubic root of 22857148 is about 283.7967036788.

It can be divided in two parts, 22857 and 148, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22857148 in words is "twenty-two million, eight hundred fifty-seven thousand, one hundred forty-eight".