30640622 has 8 divisors (see below), whose sum is σ = 45986016. Its totient is φ = 15311952.

The previous prime is 30640609. The next prime is 30640637. The reversal of 30640622 is 22604603.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (5748252).

Almost surely, 2^30640622 is an apocalyptic number.

30640622 is a deficient number, since it is larger than the sum of its proper divisors (15345394).

30640622 is a wasteful number, since it uses less digits than its factorization.

30640622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30640622 is about 5535.3971853879. The cubic root of 30640622 is about 312.9194265685.

The spelling of 30640622 in words is "thirty million, six hundred forty thousand, six hundred twenty-two".