7264866220 has 24 divisors (see below), whose sum is σ = 16059178800. Its totient is φ = 2753001792.

The previous prime is 7264866209. The next prime is 7264866223. The reversal of 7264866220 is 226684627.

It is not an unprimeable number, because it can be changed into a prime (7264866223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9558655 + ... + 9559414.

It is an arithmetic number, because the mean of its divisors is an integer number (669132450).

Almost surely, 2^7264866220 is an apocalyptic number.

It is an amenable number.

7264866220 is an abundant number, since it is smaller than the sum of its proper divisors (8794312580).

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

7264866220 is a wasteful number, since it uses less digits than its factorization.

7264866220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118097 (or 19118095 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 7264866220 is about 85234.1845740311. The cubic root of 7264866220 is about 1936.7602976935.

The spelling of 7264866220 in words is "seven billion, two hundred sixty-four million, eight hundred sixty-six thousand, two hundred twenty".