922113221 has 8 divisors (see below), whose sum is σ = 925841664. Its totient is φ = 918393280.

The previous prime is 922113209. The next prime is 922113229. The reversal of 922113221 is 122311229.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 922113221 - 2²² = 917918917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922113229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289580 + ... + 292746.

It is an arithmetic number, because the mean of its divisors is an integer number (115730208).

Almost surely, 2^922113221 is an apocalyptic number.

It is an amenable number.

922113221 is a deficient number, since it is larger than the sum of its proper divisors (3728443).

922113221 is a wasteful number, since it uses less digits than its factorization.

922113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251.

The product of its digits is 432, while the sum is 23.

The square root of 922113221 is about 30366.3172116739. The cubic root of 922113221 is about 973.3329289291.

The spelling of 922113221 in words is "nine hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-one".