7422988 has 6 divisors (see below), whose sum is σ = 12990236. Its totient is φ = 3711492.

The previous prime is 7422959. The next prime is 7423007. The reversal of 7422988 is 8892247.

It is a self number, because there is not a number n which added to its sum of digits gives 7422988.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927870 + ... + 927877.

Almost surely, 2^7422988 is an apocalyptic number.

It is an amenable number.

7422988 is a deficient number, since it is larger than the sum of its proper divisors (5567248).

7422988 is a wasteful number, since it uses less digits than its factorization.

7422988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855751 (or 1855749 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 7422988 is about 2724.5161038247. The cubic root of 7422988 is about 195.0710939544.

The spelling of 7422988 in words is "seven million, four hundred twenty-two thousand, nine hundred eighty-eight".