22457260 has 24 divisors (see below), whose sum is σ = 53897760. Its totient is φ = 7699584.

The previous prime is 22457219. The next prime is 22457273. The reversal of 22457260 is 6275422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80065 + ... + 80344.

It is an arithmetic number, because the mean of its divisors is an integer number (2245740).

Almost surely, 2^22457260 is an apocalyptic number.

22457260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22457260 is an abundant number, since it is smaller than the sum of its proper divisors (31440500).

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

22457260 is a wasteful number, since it uses less digits than its factorization.

22457260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160425 (or 160423 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22457260 is about 4738.9091571795. The cubic root of 22457260 is about 282.1319403380.

The spelling of 22457260 in words is "twenty-two million, four hundred fifty-seven thousand, two hundred sixty".