30974022 has 32 divisors (see below), whose sum is σ = 71055360. Its totient is φ = 9991080.

The previous prime is 30974011. The next prime is 30974029. The reversal of 30974022 is 22047903.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30974029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7578 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (2220480).

Almost surely, 2^30974022 is an apocalyptic number.

30974022 is an abundant number, since it is smaller than the sum of its proper divisors (40081338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30974022 is a wasteful number, since it uses less digits than its factorization.

30974022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18545 (or 18539 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30974022 is about 5565.4309806160. The cubic root of 30974022 is about 314.0502914835.

The spelling of 30974022 in words is "thirty million, nine hundred seventy-four thousand, twenty-two".