72226124708 has 12 divisors (see below), whose sum is σ = 127244012700. Its totient is φ = 35870692512.

The previous prime is 72226124701. The next prime is 72226124731. The reversal of 72226124708 is 80742162227.

It can be written as a sum of positive squares in 2 ways, for example, as 44821970944 + 27404153764 = 211712^2 + 165542^2 .

It is a super-2 number, since 2×72226124708² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72226124701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60591791 + ... + 60592982.

It is an arithmetic number, because the mean of its divisors is an integer number (10603667725).

Almost surely, 2^72226124708 is an apocalyptic number.

It is an amenable number.

72226124708 is a deficient number, since it is larger than the sum of its proper divisors (55017887992).

72226124708 is a wasteful number, since it uses less digits than its factorization.

72226124708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121184926 (or 121184924 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 72226124708 in words is "seventy-two billion, two hundred twenty-six million, one hundred twenty-four thousand, seven hundred eight".