922009442 has 4 divisors (see below), whose sum is σ = 1383014166. Its totient is φ = 461004720.

The previous prime is 922009411. The next prime is 922009463. The reversal of 922009442 is 244900229.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 727434841 + 194574601 = 26971^2 + 13949^2 .

It is a super-2 number, since 2×922009442² = 1700202822274302728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 922009399 and 922009408.

It is an unprimeable number.

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, 230502359 + ... + 230502362.

Almost surely, 2^922009442 is an apocalyptic number.

922009442 is a deficient number, since it is larger than the sum of its proper divisors (461004724).

922009442 is a wasteful number, since it uses less digits than its factorization.

922009442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461004723.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 922009442 is about 30364.6083788347. The cubic root of 922009442 is about 973.2964130561.

The spelling of 922009442 in words is "nine hundred twenty-two million, nine thousand, four hundred forty-two".