722474651 has 8 divisors (see below), whose sum is σ = 754646880. Its totient is φ = 690786432.

The previous prime is 722474603. The next prime is 722474659. The reversal of 722474651 is 156474227.

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 722474651 - 2⁶ = 722474587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722474659) by changing a digit.

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, 117950 + ... + 123923.

It is an arithmetic number, because the mean of its divisors is an integer number (94330860).

Almost surely, 2^722474651 is an apocalyptic number.

722474651 is a deficient number, since it is larger than the sum of its proper divisors (32172229).

722474651 is a wasteful number, since it uses less digits than its factorization.

722474651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242005.

The product of its digits is 94080, while the sum is 38.

The square root of 722474651 is about 26878.8885744928. Note that the first 3 decimals coincide. The cubic root of 722474651 is about 897.3066188987.

The spelling of 722474651 in words is "seven hundred twenty-two million, four hundred seventy-four thousand, six hundred fifty-one".