220822926724 has 9 divisors (see below), whose sum is σ = 386441766487. Its totient is φ = 110410993444.

The previous prime is 220822926689. The next prime is 220822926761. The reversal of 220822926724 is 427629228022.

The square root of 220822926724 is 469918.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 822357 + ... + 1057315.

Almost surely, 2^220822926724 is an apocalyptic number.

220822926724 is the 469918-th square number.

It is an amenable number.

220822926724 is a deficient number, since it is larger than the sum of its proper divisors (165618839763).

220822926724 is an frugal number, since it uses more digits than its factorization.

220822926724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469922 (or 234961 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

It can be divided in two parts, 22082 and 2926724, that added together give a triangular number (2948806 = T₂₄₂₈).

The spelling of 220822926724 in words is "two hundred twenty billion, eight hundred twenty-two million, nine hundred twenty-six thousand, seven hundred twenty-four".