7422916225 has 12 divisors (see below), whose sum is σ = 9270639280. Its totient is φ = 5895608400.

The previous prime is 7422916187. The next prime is 7422916279. The reversal of 7422916225 is 5226192247.

It is a de Polignac number, because none of the positive numbers 2^k-7422916225 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 1064571 + ... + 1071520.

Almost surely, 2^7422916225 is an apocalyptic number.

It is an amenable number.

7422916225 is a deficient number, since it is larger than the sum of its proper divisors (1847723055).

7422916225 is a wasteful number, since it uses less digits than its factorization.

7422916225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136240 (or 2136235 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 7422916225 is about 86156.3475606992. The cubic root of 7422916225 is about 1950.7046521957.

The spelling of 7422916225 in words is "seven billion, four hundred twenty-two million, nine hundred sixteen thousand, two hundred twenty-five".