223072971 has 16 divisors (see below), whose sum is σ = 327624960. Its totient is φ = 133881120.

The previous prime is 223072933. The next prime is 223072973. The reversal of 223072971 is 179270322.

It is not a de Polignac number, because 223072971 - 2⁹ = 223072459 is a prime.

It is a super-3 number, since 3×223072971³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (223072973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29416 + ... + 36213.

It is an arithmetic number, because the mean of its divisors is an integer number (20476560).

Almost surely, 2^223072971 is an apocalyptic number.

223072971 is a deficient number, since it is larger than the sum of its proper divisors (104551989).

223072971 is a wasteful number, since it uses less digits than its factorization.

223072971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65746.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 223072971 is about 14935.6275730215. The cubic root of 223072971 is about 606.4788365439.

The spelling of 223072971 in words is "two hundred twenty-three million, seventy-two thousand, nine hundred seventy-one".