922809442 has 32 divisors (see below), whose sum is σ = 1486483200. Its totient is φ = 428344848.

The previous prime is 922809431. The next prime is 922809443. The reversal of 922809442 is 244908229.

It is a junction number, because it is equal to n+sod(n) for n = 922809395 and 922809404.

It is not an unprimeable number, because it can be changed into a prime (922809443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172173 + ... + 1172959.

It is an arithmetic number, because the mean of its divisors is an integer number (46452600).

Almost surely, 2^922809442 is an apocalyptic number.

922809442 is a deficient number, since it is larger than the sum of its proper divisors (563673758).

922809442 is a wasteful number, since it uses less digits than its factorization.

922809442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 922809442 is about 30377.7787535560. The cubic root of 922809442 is about 973.5778317356.

The spelling of 922809442 in words is "nine hundred twenty-two million, eight hundred nine thousand, four hundred forty-two".