223525242 has 12 divisors (see below), whose sum is σ = 484304730. Its totient is φ = 74508408.

The previous prime is 223525229. The next prime is 223525261. The reversal of 223525242 is 242525322.

It can be written as a sum of positive squares in only one way, i.e., 131537961 + 91987281 = 11469^2 + 9591^2 .

It is a super-2 number, since 2×223525242² = 99927067622317128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6209017 + ... + 6209052.

Almost surely, 2^223525242 is an apocalyptic number.

223525242 is an abundant number, since it is smaller than the sum of its proper divisors (260779488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223525242 is a wasteful number, since it uses less digits than its factorization.

223525242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418077 (or 12418074 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 223525242 is about 14950.7605826593. The cubic root of 223525242 is about 606.8884299082. Note that the first 3 decimals are identical.

The spelling of 223525242 in words is "two hundred twenty-three million, five hundred twenty-five thousand, two hundred forty-two".