30638238222 has 64 divisors (see below), whose sum is σ = 65511742464. Its totient is φ = 9531540480.

The previous prime is 30638238209. The next prime is 30638238233. The reversal of 30638238222 is 22283283603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934288 + ... + 966524.

It is an arithmetic number, because the mean of its divisors is an integer number (1023620976).

Almost surely, 2^30638238222 is an apocalyptic number.

30638238222 is an abundant number, since it is smaller than the sum of its proper divisors (34873504242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30638238222 is a wasteful number, since it uses less digits than its factorization.

30638238222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32433.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 30638238222 in words is "thirty billion, six hundred thirty-eight million, two hundred thirty-eight thousand, two hundred twenty-two".