922221239 has 4 divisors (see below), whose sum is σ = 924694056. Its totient is φ = 919748424.

The previous prime is 922221229. The next prime is 922221247. The reversal of 922221239 is 932122229.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932122229 = 31 ⋅30068459.

It is a cyclic number.

It is not a de Polignac number, because 922221239 - 2²⁰ = 921172663 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 (922221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235849 + ... + 1236594.

It is an arithmetic number, because the mean of its divisors is an integer number (231173514).

Almost surely, 2^922221239 is an apocalyptic number.

922221239 is a deficient number, since it is larger than the sum of its proper divisors (2472817).

922221239 is a wasteful number, since it uses less digits than its factorization.

922221239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472816.

The product of its digits is 7776, while the sum is 32.

The square root of 922221239 is about 30368.0957420777. The cubic root of 922221239 is about 973.3709334347.

The spelling of 922221239 in words is "nine hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-nine".