1022231137 has 2 divisors, whose sum is σ = 1022231138. Its totient is φ = 1022231136.

The previous prime is 1022231099. The next prime is 1022231149. The reversal of 1022231137 is 7311322201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516925696 + 505305441 = 22736^2 + 22479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022231137 - 2⁷ = 1022231009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022211137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511115568 + 511115569.

It is an arithmetic number, because the mean of its divisors is an integer number (511115569).

Almost surely, 2^1022231137 is an apocalyptic number.

It is an amenable number.

1022231137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022231137 is an equidigital number, since it uses as much as digits as its factorization.

1022231137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1022231137 is about 31972.3495695890. The cubic root of 1022231137 is about 1007.3561336115.

Adding to 1022231137 its reverse (7311322201), we get a palindrome (8333553338).

The spelling of 1022231137 in words is "one billion, twenty-two million, two hundred thirty-one thousand, one hundred thirty-seven".