7225227131 has 2 divisors, whose sum is σ = 7225227132. Its totient is φ = 7225227130.

The previous prime is 7225227101. The next prime is 7225227157. The reversal of 7225227131 is 1317225227.

It is a strong prime.

It is an emirp because it is prime and its reverse (1317225227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7225227131 - 2¹⁴ = 7225210747 is a prime.

It is a super-2 number, since 2×7225227131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7225227101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612613565 + 3612613566.

It is an arithmetic number, because the mean of its divisors is an integer number (3612613566).

Almost surely, 2^7225227131 is an apocalyptic number.

7225227131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225227131 is an equidigital number, since it uses as much as digits as its factorization.

7225227131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 7225227131 is about 85001.3360542056. The cubic root of 7225227131 is about 1933.2313743859.

The spelling of 7225227131 in words is "seven billion, two hundred twenty-five million, two hundred twenty-seven thousand, one hundred thirty-one".