21622210746 has 16 divisors (see below), whose sum is σ = 44735608800. Its totient is φ = 6958872368.

The previous prime is 21622210711. The next prime is 21622210751. The reversal of 21622210746 is 64701222612.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 62132616 + ... + 62132963.

It is an arithmetic number, because the mean of its divisors is an integer number (2795975550).

Almost surely, 2^21622210746 is an apocalyptic number.

21622210746 is an abundant number, since it is smaller than the sum of its proper divisors (23113398054).

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

21622210746 is a wasteful number, since it uses less digits than its factorization.

21622210746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124265613.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 21622210746 in words is "twenty-one billion, six hundred twenty-two million, two hundred ten thousand, seven hundred forty-six".