722618998044 has 24 divisors (see below), whose sum is σ = 1695857306640. Its totient is φ = 239480669184.

The previous prime is 722618998043. The next prime is 722618998103. The reversal of 722618998044 is 440899816227.

It is a super-2 number, since 2×722618998044² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722618998043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174039109 + ... + 174043260.

It is an arithmetic number, because the mean of its divisors is an integer number (70660721110).

Almost surely, 2^722618998044 is an apocalyptic number.

It is an amenable number.

722618998044 is an abundant number, since it is smaller than the sum of its proper divisors (973238308596).

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

722618998044 is a wasteful number, since it uses less digits than its factorization.

722618998044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348082549 (or 348082547 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 722618998044 in words is "seven hundred twenty-two billion, six hundred eighteen million, nine hundred ninety-eight thousand, forty-four".