922634221 has 4 divisors (see below), whose sum is σ = 932146012. Its totient is φ = 913122432.

The previous prime is 922634201. The next prime is 922634231. The reversal of 922634221 is 122436229.

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

It can be written as a sum of positive squares in 2 ways, for example, as 561216100 + 361418121 = 23690^2 + 19011^2 .

It is a cyclic number.

It is not a de Polignac number, because 922634221 - 2¹⁹ = 922109933 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 (922634201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755750 + ... + 4755943.

It is an arithmetic number, because the mean of its divisors is an integer number (233036503).

Almost surely, 2^922634221 is an apocalyptic number.

It is an amenable number.

922634221 is a deficient number, since it is larger than the sum of its proper divisors (9511791).

922634221 is an equidigital number, since it uses as much as digits as its factorization.

922634221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511790.

The product of its digits is 10368, while the sum is 31.

The square root of 922634221 is about 30374.8945841792. The cubic root of 922634221 is about 973.5162075722.

The spelling of 922634221 in words is "nine hundred twenty-two million, six hundred thirty-four thousand, two hundred twenty-one".