7227574889 has 2 divisors, whose sum is σ = 7227574890. Its totient is φ = 7227574888.

The previous prime is 7227574873. The next prime is 7227574927. The reversal of 7227574889 is 9884757227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3689347600 + 3538227289 = 60740^2 + 59483^2 .

It is an emirp because it is prime and its reverse (9884757227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7227574889 - 2⁴ = 7227574873 is a prime.

It is a super-2 number, since 2×7227574889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7227571889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613787444 + 3613787445.

It is an arithmetic number, because the mean of its divisors is an integer number (3613787445).

Almost surely, 2^7227574889 is an apocalyptic number.

It is an amenable number.

7227574889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7227574889 is an equidigital number, since it uses as much as digits as its factorization.

7227574889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15805440, while the sum is 59.

The square root of 7227574889 is about 85015.1450566309. The cubic root of 7227574889 is about 1933.4407457927.

The spelling of 7227574889 in words is "seven billion, two hundred twenty-seven million, five hundred seventy-four thousand, eight hundred eighty-nine".