30942422 has 12 divisors (see below), whose sum is σ = 53991540. Its totient is φ = 13260996.

The previous prime is 30942419. The next prime is 30942427. The reversal of 30942422 is 22424903.

It is a junction number, because it is equal to n+sod(n) for n = 30942391 and 30942400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157772 + ... + 157967.

It is an arithmetic number, because the mean of its divisors is an integer number (4499295).

Almost surely, 2^30942422 is an apocalyptic number.

30942422 is a deficient number, since it is larger than the sum of its proper divisors (23049118).

30942422 is a wasteful number, since it uses less digits than its factorization.

30942422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315755 (or 315748 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30942422 is about 5562.5913026215. The cubic root of 30942422 is about 313.9434560848.

The spelling of 30942422 in words is "thirty million, nine hundred forty-two thousand, four hundred twenty-two".