223322045 has 4 divisors (see below), whose sum is σ = 267986460. Its totient is φ = 178657632.

The previous prime is 223322027. The next prime is 223322083. The reversal of 223322045 is 540223322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540223322 = 2 ⋅270111661.

It can be written as a sum of positive squares in 2 ways, for example, as 113784889 + 109537156 = 10667^2 + 10466^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322045 - 2¹² = 223317949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223322045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22332200 + ... + 22332209.

It is an arithmetic number, because the mean of its divisors is an integer number (66996615).

Almost surely, 2^223322045 is an apocalyptic number.

It is an amenable number.

223322045 is a deficient number, since it is larger than the sum of its proper divisors (44664415).

223322045 is an equidigital number, since it uses as much as digits as its factorization.

223322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44664414.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 223322045 is about 14943.9634970111. The cubic root of 223322045 is about 606.7044755985.

Adding to 223322045 its reverse (540223322), we get a palindrome (763545367).

The spelling of 223322045 in words is "two hundred twenty-three million, three hundred twenty-two thousand, forty-five".