18223053122 has 4 divisors (see below), whose sum is σ = 27334579686. Its totient is φ = 9111526560.

The previous prime is 18223053103. The next prime is 18223053133. The reversal of 18223053122 is 22135032281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22135032281 = 19 ⋅1165001699.

It can be written as a sum of positive squares in only one way, i.e., 12687544321 + 5535508801 = 112639^2 + 74401^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4555763279 + ... + 4555763282.

Almost surely, 2^18223053122 is an apocalyptic number.

18223053122 is a deficient number, since it is larger than the sum of its proper divisors (9111526564).

18223053122 is an equidigital number, since it uses as much as digits as its factorization.

18223053122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111526563.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 18223053122 in words is "eighteen billion, two hundred twenty-three million, fifty-three thousand, one hundred twenty-two".