30942622 has 4 divisors (see below), whose sum is σ = 46413936. Its totient is φ = 15471310.

The previous prime is 30942617. The next prime is 30942629. The reversal of 30942622 is 22624903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22624903 = 7 ⋅3232129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7735654 + ... + 7735657.

It is an arithmetic number, because the mean of its divisors is an integer number (11603484).

Almost surely, 2^30942622 is an apocalyptic number.

30942622 is a deficient number, since it is larger than the sum of its proper divisors (15471314).

30942622 is a wasteful number, since it uses less digits than its factorization.

30942622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471313.

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

The square root of 30942622 is about 5562.6092798254. The cubic root of 30942622 is about 313.9441324869.

The spelling of 30942622 in words is "thirty million, nine hundred forty-two thousand, six hundred twenty-two".