99722060944 has 45 divisors (see below), whose sum is σ = 212402558361. Its totient is φ = 45321893760.

The previous prime is 99722060941. The next prime is 99722060989. The reversal of 99722060944 is 44906022799.

It is a happy number.

The square root of 99722060944 is 315788.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 93110419600 + 6611641344 = 305140^2 + 81312^2 .

It is a super-2 number, since 2×99722060944² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99722060891 and 99722060900.

It is not an unprimeable number, because it can be changed into a prime (99722060941) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13891084 + ... + 13898260.

Almost surely, 2^99722060944 is an apocalyptic number.

99722060944 is the 315788-th square number.

It is an amenable number.

99722060944 is an abundant number, since it is smaller than the sum of its proper divisors (112680497417).

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

99722060944 is an frugal number, since it uses more digits than its factorization.

99722060944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384 (or 7190 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 99722060944 in words is "ninety-nine billion, seven hundred twenty-two million, sixty thousand, nine hundred forty-four".