7211312264 has 16 divisors (see below), whose sum is σ = 14561303820. Its totient is φ = 3328297920.

The previous prime is 7211312261. The next prime is 7211312351. The reversal of 7211312264 is 4622131127.

It can be written as a sum of positive squares in 2 ways, for example, as 6302772100 + 908540164 = 79390^2 + 30142^2 .

It is a super-3 number, since 3×7211312264³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7211312261) 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, 34669667 + ... + 34669874.

Almost surely, 2^7211312264 is an apocalyptic number.

It is an amenable number.

7211312264 is an abundant number, since it is smaller than the sum of its proper divisors (7349991556).

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

7211312264 is a wasteful number, since it uses less digits than its factorization.

7211312264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69339560 (or 69339556 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 7211312264 is about 84919.4457353556. The cubic root of 7211312264 is about 1931.9895243814.

The spelling of 7211312264 in words is "seven billion, two hundred eleven million, three hundred twelve thousand, two hundred sixty-four".