1214922239 has 2 divisors, whose sum is σ = 1214922240. Its totient is φ = 1214922238.

The previous prime is 1214922229. The next prime is 1214922257. The reversal of 1214922239 is 9322294121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214922239 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214922199 and 1214922208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214922229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607461119 + 607461120.

It is an arithmetic number, because the mean of its divisors is an integer number (607461120).

Almost surely, 2^1214922239 is an apocalyptic number.

1214922239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214922239 is an equidigital number, since it uses as much as digits as its factorization.

1214922239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 1214922239 is about 34855.7346644709. The cubic root of 1214922239 is about 1067.0452264515.

The spelling of 1214922239 in words is "one billion, two hundred fourteen million, nine hundred twenty-two thousand, two hundred thirty-nine".