722864379450 has 24 divisors (see below), whose sum is σ = 1792703661408. Its totient is φ = 192763834480.

The previous prime is 722864379353. The next prime is 722864379467. The reversal of 722864379450 is 54973468227.

It is a super-2 number, since 2×722864379450² (a number of 25 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2409547782 + ... + 2409548081.

It is an arithmetic number, because the mean of its divisors is an integer number (74695985892).

Almost surely, 2^722864379450 is an apocalyptic number.

722864379450 is an abundant number, since it is smaller than the sum of its proper divisors (1069839281958).

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

722864379450 is a wasteful number, since it uses less digits than its factorization.

722864379450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819095878 (or 4819095873 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 722864379450 in words is "seven hundred twenty-two billion, eight hundred sixty-four million, three hundred seventy-nine thousand, four hundred fifty".