30622472 has 8 divisors (see below), whose sum is σ = 57417150. Its totient is φ = 15311232.

The previous prime is 30622441. The next prime is 30622481. The reversal of 30622472 is 27422603.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 1094116 = 5434^2 + 1046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1913897 + ... + 1913912.

Almost surely, 2^30622472 is an apocalyptic number.

It is an amenable number.

30622472 is a deficient number, since it is larger than the sum of its proper divisors (26794678).

30622472 is a wasteful number, since it uses less digits than its factorization.

30622472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827815 (or 3827811 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 30622472 is about 5533.7574937830. The cubic root of 30622472 is about 312.8576283302.

The spelling of 30622472 in words is "thirty million, six hundred twenty-two thousand, four hundred seventy-two".