222123020983 has 4 divisors (see below), whose sum is σ = 222428555440. Its totient is φ = 221817486528.

The previous prime is 222123020921. The next prime is 222123020989. The reversal of 222123020983 is 389020321222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222123020983 is a prime.

It is a super-2 number, since 2×222123020983² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222123020989) 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, 152766138 + ... + 152767591.

It is an arithmetic number, because the mean of its divisors is an integer number (55607138860).

Almost surely, 2^222123020983 is an apocalyptic number.

222123020983 is a deficient number, since it is larger than the sum of its proper divisors (305534457).

222123020983 is an equidigital number, since it uses as much as digits as its factorization.

222123020983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305534456.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 222123020983 in words is "two hundred twenty-two billion, one hundred twenty-three million, twenty thousand, nine hundred eighty-three".