223660970 has 128 divisors (see below), whose sum is σ = 495452160. Its totient is φ = 71850240.

The previous prime is 223660961. The next prime is 223660973. The reversal of 223660970 is 79066322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 223660970.

It is not an unprimeable number, because it can be changed into a prime (223660973) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1761047 + ... + 1761173.

It is an arithmetic number, because the mean of its divisors is an integer number (3870720).

Almost surely, 2^223660970 is an apocalyptic number.

223660970 is an abundant number, since it is smaller than the sum of its proper divisors (271791190).

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

223660970 is a wasteful number, since it uses less digits than its factorization.

223660970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 223660970 is about 14955.2990608680. The cubic root of 223660970 is about 607.0112424151.

The spelling of 223660970 in words is "two hundred twenty-three million, six hundred sixty thousand, nine hundred seventy".