22670725 has 24 divisors (see below), whose sum is σ = 35051328. Its totient is φ = 14131200.

The previous prime is 22670701. The next prime is 22670759. The reversal of 22670725 is 52707622.

22670725 = T₄₁₉ + T₄₂₀ + ... + T₅₉₃.

It is not a de Polignac number, because 22670725 - 2⁹ = 22670213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3964 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (1460472).

Almost surely, 2^22670725 is an apocalyptic number.

22670725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22670725 is a deficient number, since it is larger than the sum of its proper divisors (12380603).

22670725 is a wasteful number, since it uses less digits than its factorization.

22670725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805 (or 11800 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 22670725 is about 4761.3784768699. The cubic root of 22670725 is about 283.0230474806.

The spelling of 22670725 in words is "twenty-two million, six hundred seventy thousand, seven hundred twenty-five".