222923641 has 4 divisors (see below), whose sum is σ = 225609552. Its totient is φ = 220237732.

The previous prime is 222923629. The next prime is 222923651. The reversal of 222923641 is 146329222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222923641 - 2⁷ = 222923513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222923611) 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, 1342831 + ... + 1342996.

It is an arithmetic number, because the mean of its divisors is an integer number (56402388).

Almost surely, 2^222923641 is an apocalyptic number.

It is an amenable number.

222923641 is a deficient number, since it is larger than the sum of its proper divisors (2685911).

222923641 is an equidigital number, since it uses as much as digits as its factorization.

222923641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685910.

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

The square root of 222923641 is about 14930.6276157434. The cubic root of 222923641 is about 606.3434762018.

The spelling of 222923641 in words is "two hundred twenty-two million, nine hundred twenty-three thousand, six hundred forty-one".