7220393264 has 20 divisors (see below), whose sum is σ = 15988013904. Its totient is φ = 3094454208.

The previous prime is 7220393263. The next prime is 7220393293. The reversal of 7220393264 is 4623930227.

It is not an unprimeable number, because it can be changed into a prime (7220393261) 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, 32233787 + ... + 32234010.

Almost surely, 2^7220393264 is an apocalyptic number.

It is an amenable number.

7220393264 is an abundant number, since it is smaller than the sum of its proper divisors (8767620640).

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

7220393264 is a wasteful number, since it uses less digits than its factorization.

7220393264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64467812 (or 64467806 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 7220393264 is about 84972.8972319998. The cubic root of 7220393264 is about 1932.8001506581.

The spelling of 7220393264 in words is "seven billion, two hundred twenty million, three hundred ninety-three thousand, two hundred sixty-four".