7272229117 has 2 divisors, whose sum is σ = 7272229118. Its totient is φ = 7272229116.

The previous prime is 7272229103. The next prime is 7272229127. The reversal of 7272229117 is 7119222727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6221107876 + 1051121241 = 78874^2 + 32421^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272229117 - 2⁷ = 7272228989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7272229117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7272229127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636114558 + 3636114559.

It is an arithmetic number, because the mean of its divisors is an integer number (3636114559).

Almost surely, 2^7272229117 is an apocalyptic number.

It is an amenable number.

7272229117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272229117 is an equidigital number, since it uses as much as digits as its factorization.

7272229117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 40.

The square root of 7272229117 is about 85277.3657953856. The cubic root of 7272229117 is about 1937.4143749714.

The spelling of 7272229117 in words is "seven billion, two hundred seventy-two million, two hundred twenty-nine thousand, one hundred seventeen".