220173922 has 4 divisors (see below), whose sum is σ = 330260886. Its totient is φ = 110086960.

The previous prime is 220173893. The next prime is 220173923. The reversal of 220173922 is 229371022.

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

It can be written as a sum of positive squares in only one way, i.e., 219365721 + 808201 = 14811^2 + 899^2 .

It is not an unprimeable number, because it can be changed into a prime (220173923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55043479 + ... + 55043482.

Almost surely, 2^220173922 is an apocalyptic number.

220173922 is a deficient number, since it is larger than the sum of its proper divisors (110086964).

220173922 is a wasteful number, since it uses less digits than its factorization.

220173922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110086963.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 220173922 is about 14838.2587253357. The cubic root of 220173922 is about 603.8401127164.

The spelling of 220173922 in words is "two hundred twenty million, one hundred seventy-three thousand, nine hundred twenty-two".