2231398079 has 2 divisors, whose sum is σ = 2231398080. Its totient is φ = 2231398078.

The previous prime is 2231398021. The next prime is 2231398111. The reversal of 2231398079 is 9708931322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231398079 is a prime.

It is a super-3 number, since 3×2231398079³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231338079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115699039 + 1115699040.

It is an arithmetic number, because the mean of its divisors is an integer number (1115699040).

Almost surely, 2^2231398079 is an apocalyptic number.

2231398079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231398079 is an equidigital number, since it uses as much as digits as its factorization.

2231398079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2231398079 is about 47237.6764775746. The cubic root of 2231398079 is about 1306.7495271523.

The spelling of 2231398079 in words is "two billion, two hundred thirty-one million, three hundred ninety-eight thousand, seventy-nine".