223545122 has 4 divisors (see below), whose sum is σ = 335317686. Its totient is φ = 111772560.

The previous prime is 223545109. The next prime is 223545131. The reversal of 223545122 is 221545322.

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., 156975841 + 66569281 = 12529^2 + 8159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223545091 and 223545100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55886279 + ... + 55886282.

Almost surely, 2^223545122 is an apocalyptic number.

223545122 is a deficient number, since it is larger than the sum of its proper divisors (111772564).

223545122 is a wasteful number, since it uses less digits than its factorization.

223545122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111772563.

The product of its digits is 4800, while the sum is 26.

The square root of 223545122 is about 14951.4254169962. The cubic root of 223545122 is about 606.9064212907.

The spelling of 223545122 in words is "two hundred twenty-three million, five hundred forty-five thousand, one hundred twenty-two".