22810825 has 12 divisors (see below), whose sum is σ = 29515968. Its totient is φ = 17454800.

The previous prime is 22810817. The next prime is 22810831. The reversal of 22810825 is 52801822.

It is not a de Polignac number, because 22810825 - 2³ = 22810817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22810793 and 22810802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19261 + ... + 20410.

It is an arithmetic number, because the mean of its divisors is an integer number (2459664).

Almost surely, 2^22810825 is an apocalyptic number.

22810825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22810825 is a deficient number, since it is larger than the sum of its proper divisors (6705143).

22810825 is a wasteful number, since it uses less digits than its factorization.

22810825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39704 (or 39699 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 22810825 is about 4776.0679434028. The cubic root of 22810825 is about 283.6048569733.

The spelling of 22810825 in words is "twenty-two million, eight hundred ten thousand, eight hundred twenty-five".