7263220421 has 16 divisors (see below), whose sum is σ = 7749331200. Its totient is φ = 6787654848.

The previous prime is 7263220411. The next prime is 7263220441. The reversal of 7263220421 is 1240223627.

It is not a de Polignac number, because 7263220421 - 2²⁶ = 7196111557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7263220411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080375 + ... + 3082731.

It is an arithmetic number, because the mean of its divisors is an integer number (484333200).

Almost surely, 2^7263220421 is an apocalyptic number.

It is an amenable number.

7263220421 is a deficient number, since it is larger than the sum of its proper divisors (486110779).

7263220421 is a wasteful number, since it uses less digits than its factorization.

7263220421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 7263220421 is about 85224.5294560199. The cubic root of 7263220421 is about 1936.6140339818.

The spelling of 7263220421 in words is "seven billion, two hundred sixty-three million, two hundred twenty thousand, four hundred twenty-one".