722474251 has 8 divisors (see below), whose sum is σ = 749952000. Its totient is φ = 695257320.

The previous prime is 722474237. The next prime is 722474257. The reversal of 722474251 is 152474227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722474251 - 2²⁷ = 588256523 is a prime.

It is a super-2 number, since 2×722474251² = 1043938086716022002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722474257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59551 + ... + 70648.

It is an arithmetic number, because the mean of its divisors is an integer number (93744000).

Almost surely, 2^722474251 is an apocalyptic number.

722474251 is a deficient number, since it is larger than the sum of its proper divisors (27477749).

722474251 is a wasteful number, since it uses less digits than its factorization.

722474251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130409.

The product of its digits is 31360, while the sum is 34.

The square root of 722474251 is about 26878.8811337079. The cubic root of 722474251 is about 897.3064532999.

The spelling of 722474251 in words is "seven hundred twenty-two million, four hundred seventy-four thousand, two hundred fifty-one".