22064225 has 12 divisors (see below), whose sum is σ = 28800240. Its totient is φ = 16722000.

The previous prime is 22064213. The next prime is 22064233. The reversal of 22064225 is 52246022.

It is not a de Polignac number, because 22064225 - 2⁴ = 22064209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22064225.

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, 22751 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (2400020).

Almost surely, 2^22064225 is an apocalyptic number.

22064225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22064225 is a deficient number, since it is larger than the sum of its proper divisors (6736015).

22064225 is a wasteful number, since it uses less digits than its factorization.

22064225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46480 (or 46475 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22064225 is about 4697.2571783968. The cubic root of 22064225 is about 280.4763363055.

The spelling of 22064225 in words is "twenty-two million, sixty-four thousand, two hundred twenty-five".