223668122 has 4 divisors (see below), whose sum is σ = 335502186. Its totient is φ = 111834060.

The previous prime is 223668103. The next prime is 223668143. The reversal of 223668122 is 221866322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221866322 = 2 ⋅110933161.

It can be written as a sum of positive squares in only one way, i.e., 181144681 + 42523441 = 13459^2 + 6521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55917029 + ... + 55917032.

Almost surely, 2^223668122 is an apocalyptic number.

223668122 is a deficient number, since it is larger than the sum of its proper divisors (111834064).

223668122 is a wasteful number, since it uses less digits than its factorization.

223668122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111834063.

The product of its digits is 13824, while the sum is 32.

The square root of 223668122 is about 14955.5381715270. The cubic root of 223668122 is about 607.0177124728.

The spelling of 223668122 in words is "two hundred twenty-three million, six hundred sixty-eight thousand, one hundred twenty-two".