30942226 has 24 divisors (see below), whose sum is σ = 54763776. Its totient is φ = 13071240.

The previous prime is 30942181. The next prime is 30942229. The reversal of 30942226 is 62224903.

It is a junction number, because it is equal to n+sod(n) for n = 30942194 and 30942203.

It is not an unprimeable number, because it can be changed into a prime (30942229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4735 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (2281824).

Almost surely, 2^30942226 is an apocalyptic number.

30942226 is a deficient number, since it is larger than the sum of its proper divisors (23821550).

30942226 is a wasteful number, since it uses less digits than its factorization.

30942226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30942226 is about 5562.5736849052. The cubic root of 30942226 is about 313.9427932079.

The spelling of 30942226 in words is "thirty million, nine hundred forty-two thousand, two hundred twenty-six".