22940825 has 6 divisors (see below), whose sum is σ = 28446654. Its totient is φ = 18352640.

The previous prime is 22940807. The next prime is 22940831. The reversal of 22940825 is 52804922.

It can be written as a sum of positive squares in 3 ways, for example, as 737881 + 22202944 = 859^2 + 4712^2 .

It is not a de Polignac number, because 22940825 - 2¹⁰ = 22939801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22940791 and 22940800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458792 + ... + 458841.

It is an arithmetic number, because the mean of its divisors is an integer number (4741109).

Almost surely, 2^22940825 is an apocalyptic number.

22940825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22940825 is a deficient number, since it is larger than the sum of its proper divisors (5505829).

22940825 is an equidigital number, since it uses as much as digits as its factorization.

22940825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917643 (or 917638 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22940825 is about 4789.6581297625. The cubic root of 22940825 is about 284.1425960162.

The spelling of 22940825 in words is "twenty-two million, nine hundred forty thousand, eight hundred twenty-five".