922147946 has 8 divisors (see below), whose sum is σ = 1383352320. Its totient is φ = 461030508.

The previous prime is 922147939. The next prime is 922147973. The reversal of 922147946 is 649741229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 922147897 and 922147906.

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 in 3 ways as a sum of consecutive naturals, for example, 24215 + ... + 49301.

It is an arithmetic number, because the mean of its divisors is an integer number (172919040).

Almost surely, 2^922147946 is an apocalyptic number.

922147946 is a deficient number, since it is larger than the sum of its proper divisors (461204374).

922147946 is a wasteful number, since it uses less digits than its factorization.

922147946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43468.

The product of its digits is 217728, while the sum is 44.

The square root of 922147946 is about 30366.8889746711. Note that the first 3 decimals coincide. The cubic root of 922147946 is about 973.3451467207.

The spelling of 922147946 in words is "nine hundred twenty-two million, one hundred forty-seven thousand, nine hundred forty-six".