7422213753 has 24 divisors (see below), whose sum is σ = 11507140008. Its totient is φ = 4593272832.

The previous prime is 7422213707. The next prime is 7422213763. The reversal of 7422213753 is 3573122247.

It can be written as a sum of positive squares in 4 ways, for example, as 1338681744 + 6083532009 = 36588^2 + 77997^2 .

It is not a de Polignac number, because 7422213753 - 2⁹ = 7422213241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7422213763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321100 + ... + 343437.

It is an arithmetic number, because the mean of its divisors is an integer number (479464167).

Almost surely, 2^7422213753 is an apocalyptic number.

7422213753 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7422213753 is a deficient number, since it is larger than the sum of its proper divisors (4084926255).

7422213753 is a wasteful number, since it uses less digits than its factorization.

7422213753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664633 (or 664630 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 7422213753 is about 86152.2707361797. The cubic root of 7422213753 is about 1950.6431148975.

The spelling of 7422213753 in words is "seven billion, four hundred twenty-two million, two hundred thirteen thousand, seven hundred fifty-three".