722021952 has 28 divisors (see below), whose sum is σ = 1910350256. Its totient is φ = 240673920.

The previous prime is 722021939. The next prime is 722021981. The reversal of 722021952 is 259120227.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880074 + ... + 1880457.

Almost surely, 2^722021952 is an apocalyptic number.

It is an amenable number.

722021952 is an abundant number, since it is smaller than the sum of its proper divisors (1188328304).

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

722021952 is a wasteful number, since it uses less digits than its factorization.

722021952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760546 (or 3760536 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 722021952 is about 26870.4661664066. The cubic root of 722021952 is about 897.1191637951.

The spelling of 722021952 in words is "seven hundred twenty-two million, twenty-one thousand, nine hundred fifty-two".