223072655 has 16 divisors (see below), whose sum is σ = 289396800. Its totient is φ = 164091648.

The previous prime is 223072643. The next prime is 223072721. The reversal of 223072655 is 556270322.

It is a cyclic number.

It is not a de Polignac number, because 223072655 - 2⁴ = 223072639 is a prime.

It is a super-3 number, since 3×223072655³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10571 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2^223072655 is an apocalyptic number.

223072655 is a deficient number, since it is larger than the sum of its proper divisors (66324145).

223072655 is a wasteful number, since it uses less digits than its factorization.

223072655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13330.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 223072655 is about 14935.6169942858. The cubic root of 223072655 is about 606.4785501691.

The spelling of 223072655 in words is "two hundred twenty-three million, seventy-two thousand, six hundred fifty-five".