7220713401 has 48 divisors (see below), whose sum is σ = 11796587712. Its totient is φ = 4217817600.

The previous prime is 7220713391. The next prime is 7220713441. The reversal of 7220713401 is 1043170227.

It is a happy number.

It is not a de Polignac number, because 7220713401 - 2¹⁰ = 7220712377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7220713441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326181 + ... + 347613.

It is an arithmetic number, because the mean of its divisors is an integer number (245762244).

Almost surely, 2^7220713401 is an apocalyptic number.

It is an amenable number.

7220713401 is a deficient number, since it is larger than the sum of its proper divisors (4575874311).

7220713401 is a wasteful number, since it uses less digits than its factorization.

7220713401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21574 (or 21571 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 7220713401 is about 84974.7809705915. The cubic root of 7220713401 is about 1932.8287156626.

Adding to 7220713401 its reverse (1043170227), we get a palindrome (8263883628).

The spelling of 7220713401 in words is "seven billion, two hundred twenty million, seven hundred thirteen thousand, four hundred one".