1232222149 has 2 divisors, whose sum is σ = 1232222150. Its totient is φ = 1232222148.

The previous prime is 1232222081. The next prime is 1232222179. The reversal of 1232222149 is 9412222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 862890625 + 369331524 = 29375^2 + 19218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232222149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232222179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616111074 + 616111075.

It is an arithmetic number, because the mean of its divisors is an integer number (616111075).

Almost surely, 2^1232222149 is an apocalyptic number.

It is an amenable number.

1232222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232222149 is an equidigital number, since it uses as much as digits as its factorization.

1232222149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 1232222149 is about 35103.0219354403. The cubic root of 1232222149 is about 1072.0861124507.

The spelling of 1232222149 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, one hundred forty-nine".