922447899 has 8 divisors (see below), whose sum is σ = 1366589520. Its totient is φ = 614965248.

The previous prime is 922447861. The next prime is 922447909. The reversal of 922447899 is 998744229.

It is not a de Polignac number, because 922447899 - 2²³ = 914059291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (922447819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17082342 + ... + 17082395.

It is an arithmetic number, because the mean of its divisors is an integer number (170823690).

Almost surely, 2^922447899 is an apocalyptic number.

922447899 is a deficient number, since it is larger than the sum of its proper divisors (444141621).

922447899 is a wasteful number, since it uses less digits than its factorization.

922447899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164746 (or 34164740 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 922447899 is about 30371.8273898691. The cubic root of 922447899 is about 973.4506706945.

The spelling of 922447899 in words is "nine hundred twenty-two million, four hundred forty-seven thousand, eight hundred ninety-nine".