22758020 has 24 divisors (see below), whose sum is σ = 48010200. Its totient is φ = 9061632.

The previous prime is 22758013. The next prime is 22758049. The reversal of 22758020 is 2085722.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 18939904 = 1954^2 + 4352^2 .

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, 2096 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (2000425).

Almost surely, 2^22758020 is an apocalyptic number.

22758020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22758020 is an abundant number, since it is smaller than the sum of its proper divisors (25252180).

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

22758020 is a wasteful number, since it uses less digits than its factorization.

22758020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 22758020 is about 4770.5366574422. The cubic root of 22758020 is about 283.3858480130.

The spelling of 22758020 in words is "twenty-two million, seven hundred fifty-eight thousand, twenty".