21774424322 has 16 divisors (see below), whose sum is σ = 38614743360. Its totient is φ = 9010106448.

The previous prime is 21774424319. The next prime is 21774424339. The reversal of 21774424322 is 22342447712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26815388 + ... + 26816199.

It is an arithmetic number, because the mean of its divisors is an integer number (2413421460).

Almost surely, 2^21774424322 is an apocalyptic number.

21774424322 is a deficient number, since it is larger than the sum of its proper divisors (16840319038).

21774424322 is a wasteful number, since it uses less digits than its factorization.

21774424322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53631625.

The product of its digits is 150528, while the sum is 38.

The spelling of 21774424322 in words is "twenty-one billion, seven hundred seventy-four million, four hundred twenty-four thousand, three hundred twenty-two".