722581361942 has 16 divisors (see below), whose sum is σ = 1233814816512. Its totient is φ = 314165809320.

The previous prime is 722581361899. The next prime is 722581361947. The reversal of 722581361942 is 249163185227.

It is a super-2 number, since 2×722581361942² (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 (722581361947) 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, 714012698 + ... + 714013709.

It is an arithmetic number, because the mean of its divisors is an integer number (77113426032).

Almost surely, 2^722581361942 is an apocalyptic number.

722581361942 is a deficient number, since it is larger than the sum of its proper divisors (511233454570).

722581361942 is a wasteful number, since it uses less digits than its factorization.

722581361942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428026443.

The product of its digits is 1451520, while the sum is 50.

The spelling of 722581361942 in words is "seven hundred twenty-two billion, five hundred eighty-one million, three hundred sixty-one thousand, nine hundred forty-two".