69922427 has 2 divisors, whose sum is σ = 69922428. Its totient is φ = 69922426.

The previous prime is 69922403. The next prime is 69922439. The reversal of 69922427 is 72422996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69922427 - 2²⁶ = 2813563 is a prime.

It is not a weakly prime, because it can be changed into another prime (69922927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34961213 + 34961214.

It is an arithmetic number, because the mean of its divisors is an integer number (34961214).

Almost surely, 2^69922427 is an apocalyptic number.

69922427 is a deficient number, since it is larger than the sum of its proper divisors (1).

69922427 is an equidigital number, since it uses as much as digits as its factorization.

69922427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 69922427 is about 8361.9631068308. The cubic root of 69922427 is about 411.9762353936.

The spelling of 69922427 in words is "sixty-nine million, nine hundred twenty-two thousand, four hundred twenty-seven".