1122321631 has 2 divisors, whose sum is σ = 1122321632. Its totient is φ = 1122321630.

The previous prime is 1122321619. The next prime is 1122321647. The reversal of 1122321631 is 1361232211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122321631 - 2⁷ = 1122321503 is a prime.

It is a super-2 number, since 2×1122321631² = 2519211686821000322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122321931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561160815 + 561160816.

It is an arithmetic number, because the mean of its divisors is an integer number (561160816).

Almost surely, 2^1122321631 is an apocalyptic number.

1122321631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122321631 is an equidigital number, since it uses as much as digits as its factorization.

1122321631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 1122321631 is about 33501.0691023436. The cubic root of 1122321631 is about 1039.2158879460.

Adding to 1122321631 its reverse (1361232211), we get a palindrome (2483553842).

The spelling of 1122321631 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, six hundred thirty-one".