30922742 has 8 divisors (see below), whose sum is σ = 46425000. Its totient is φ = 15447744.

The previous prime is 30922699. The next prime is 30922769. The reversal of 30922742 is 24722903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3692 + ... + 8687.

It is an arithmetic number, because the mean of its divisors is an integer number (5803125).

Almost surely, 2^30922742 is an apocalyptic number.

30922742 is a deficient number, since it is larger than the sum of its proper divisors (15502258).

30922742 is a wasteful number, since it uses less digits than its factorization.

30922742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 30922742 is about 5560.8220615301. The cubic root of 30922742 is about 313.8768838608.

The spelling of 30922742 in words is "thirty million, nine hundred twenty-two thousand, seven hundred forty-two".