223342556 has 6 divisors (see below), whose sum is σ = 390849480. Its totient is φ = 111671276.

The previous prime is 223342547. The next prime is 223342571. The reversal of 223342556 is 655243322.

It is a super-2 number, since 2×223342556² = 99763794641226272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27917816 + ... + 27917823.

It is an arithmetic number, because the mean of its divisors is an integer number (65141580).

Almost surely, 2^223342556 is an apocalyptic number.

It is an amenable number.

223342556 is a deficient number, since it is larger than the sum of its proper divisors (167506924).

223342556 is a wasteful number, since it uses less digits than its factorization.

223342556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55835643 (or 55835641 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 223342556 is about 14944.6497449756. The cubic root of 223342556 is about 606.7230492754.

Adding to 223342556 its reverse (655243322), we get a palindrome (878585878).

The spelling of 223342556 in words is "two hundred twenty-three million, three hundred forty-two thousand, five hundred fifty-six".