22857464 has 16 divisors (see below), whose sum is σ = 48980400. Its totient is φ = 9796032.

The previous prime is 22857421. The next prime is 22857511. The reversal of 22857464 is 46475822.

It is a super-2 number, since 2×22857464² = 1044927321022592, which contains 22 as substring.

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, 204029 + ... + 204140.

It is an arithmetic number, because the mean of its divisors is an integer number (3061275).

Almost surely, 2^22857464 is an apocalyptic number.

It is an amenable number.

22857464 is an abundant number, since it is smaller than the sum of its proper divisors (26122936).

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

22857464 is a wasteful number, since it uses less digits than its factorization.

22857464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408182 (or 408178 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 22857464 is about 4780.9480231435. The cubic root of 22857464 is about 283.7980115023.

The spelling of 22857464 in words is "twenty-two million, eight hundred fifty-seven thousand, four hundred sixty-four".