22010625 has 120 divisors (see below), whose sum is σ = 50033984. Its totient is φ = 9072000.

The previous prime is 22010621. The next prime is 22010629. The reversal of 22010625 is 52601022.

It is an interprime number because it is at equal distance from previous prime (22010621) and next prime (22010629).

It is not a de Polignac number, because 22010625 - 2² = 22010621 is a prime.

It is a super-2 number, since 2×22010625² = 968935225781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22010598 and 22010607.

It is not an unprimeable number, because it can be changed into a prime (22010621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 511854 + ... + 511896.

Almost surely, 2^22010625 is an apocalyptic number.

22010625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22010625 is the 2709-th octagonal number.

It is an amenable number.

22010625 is an abundant number, since it is smaller than the sum of its proper divisors (28023359).

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

22010625 is a wasteful number, since it uses less digits than its factorization.

22010625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22010625 is about 4691.5482519100. The cubic root of 22010625 is about 280.2490343934.

Adding to 22010625 its reverse (52601022), we get a palindrome (74611647).

The spelling of 22010625 in words is "twenty-two million, ten thousand, six hundred twenty-five".