22225153225 has 12 divisors (see below), whose sum is σ = 30064571280. Its totient is φ = 16163747600.

The previous prime is 22225153219. The next prime is 22225153241. The reversal of 22225153225 is 52235152222.

It is a happy number.

It is not a de Polignac number, because 22225153225 - 2²⁹ = 21688282313 is a prime.

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, 40409095 + ... + 40409644.

It is an arithmetic number, because the mean of its divisors is an integer number (2505380940).

Almost surely, 2^22225153225 is an apocalyptic number.

22225153225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22225153225 is a deficient number, since it is larger than the sum of its proper divisors (7839418055).

22225153225 is a wasteful number, since it uses less digits than its factorization.

22225153225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80818760 (or 80818755 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The spelling of 22225153225 in words is "twenty-two billion, two hundred twenty-five million, one hundred fifty-three thousand, two hundred twenty-five".