72226146562 has 16 divisors (see below), whose sum is σ = 113184718200. Its totient is φ = 34522566400.

The previous prime is 72226146557. The next prime is 72226146563. The reversal of 72226146562 is 26564162227.

It can be written as a sum of positive squares in 4 ways, for example, as 71856699721 + 369446841 = 268061^2 + 19221^2 .

It is not an unprimeable number, because it can be changed into a prime (72226146563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158887 + ... + 6170602.

Almost surely, 2^72226146562 is an apocalyptic number.

72226146562 is a deficient number, since it is larger than the sum of its proper divisors (40958571638).

72226146562 is a wasteful number, since it uses less digits than its factorization.

72226146562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329621.

The product of its digits is 483840, while the sum is 43.

The spelling of 72226146562 in words is "seventy-two billion, two hundred twenty-six million, one hundred forty-six thousand, five hundred sixty-two".