30422872 has 16 divisors (see below), whose sum is σ = 57220200. Its totient is φ = 15164160.

The previous prime is 30422863. The next prime is 30422897. The reversal of 30422872 is 27822403.

It is a super-2 number, since 2×30422872² = 1851102281456768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30422872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097 + ... + 8392.

Almost surely, 2^30422872 is an apocalyptic number.

It is an amenable number.

30422872 is a deficient number, since it is larger than the sum of its proper divisors (26797328).

30422872 is a wasteful number, since it uses less digits than its factorization.

30422872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 30422872 is about 5515.6932474531. The cubic root of 30422872 is about 312.1764014511.

The spelling of 30422872 in words is "thirty million, four hundred twenty-two thousand, eight hundred seventy-two".