922745121 has 8 divisors (see below), whose sum is σ = 1232897280. Its totient is φ = 613878192.

The previous prime is 922745111. The next prime is 922745137. The reversal of 922745121 is 121547229.

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

It is not a de Polignac number, because 922745121 - 2¹⁵ = 922712353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (922745111) 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, 319630 + ... + 322503.

It is an arithmetic number, because the mean of its divisors is an integer number (154112160).

Almost surely, 2^922745121 is an apocalyptic number.

It is an amenable number.

922745121 is a deficient number, since it is larger than the sum of its proper divisors (310152159).

922745121 is a wasteful number, since it uses less digits than its factorization.

922745121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642615.

The product of its digits is 10080, while the sum is 33.

The square root of 922745121 is about 30376.7200500647. The cubic root of 922745121 is about 973.5552113361. Note that the first 3 decimals are identical.

The spelling of 922745121 in words is "nine hundred twenty-two million, seven hundred forty-five thousand, one hundred twenty-one".