220223121998 has 16 divisors (see below), whose sum is σ = 381563056944. Its totient is φ = 94213100160.

The previous prime is 220223121997. The next prime is 220223122079. The reversal of 220223121998 is 899121322022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220223121991) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 294415565 + ... + 294416312.

It is an arithmetic number, because the mean of its divisors is an integer number (23847691059).

Almost surely, 2^220223121998 is an apocalyptic number.

220223121998 is a deficient number, since it is larger than the sum of its proper divisors (161339934946).

220223121998 is a wasteful number, since it uses less digits than its factorization.

220223121998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588831907.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 220223121998 in words is "two hundred twenty billion, two hundred twenty-three million, one hundred twenty-one thousand, nine hundred ninety-eight".