7220072264 has 16 divisors (see below), whose sum is σ = 13671673020. Its totient is φ = 3574292800.

The previous prime is 7220072263. The next prime is 7220072269. The reversal of 7220072264 is 4622700227.

It can be written as a sum of positive squares in 2 ways, for example, as 6893980900 + 326091364 = 83030^2 + 18058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7220072264.

It is not an unprimeable number, because it can be changed into a prime (7220072263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467059 + ... + 4468674.

Almost surely, 2^7220072264 is an apocalyptic number.

It is an amenable number.

7220072264 is a deficient number, since it is larger than the sum of its proper divisors (6451600756).

7220072264 is a wasteful number, since it uses less digits than its factorization.

7220072264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935840 (or 8935836 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 7220072264 is about 84971.0083734446. The cubic root of 7220072264 is about 1932.7715078026.

The spelling of 7220072264 in words is "seven billion, two hundred twenty million, seventy-two thousand, two hundred sixty-four".