22073225 has 24 divisors (see below), whose sum is σ = 29248128. Its totient is φ = 16467200.

The previous prime is 22073197. The next prime is 22073267. The reversal of 22073225 is 52237022.

It is not a de Polignac number, because 22073225 - 2⁸ = 22072969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22073225.

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, 70820 + ... + 71130.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^22073225 is an apocalyptic number.

22073225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22073225 is a deficient number, since it is larger than the sum of its proper divisors (7174903).

22073225 is a wasteful number, since it uses less digits than its factorization.

22073225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22073225 is about 4698.2150866047. The cubic root of 22073225 is about 280.5144665651.

The spelling of 22073225 in words is "twenty-two million, seventy-three thousand, two hundred twenty-five".