223650972 has 36 divisors (see below), whose sum is σ = 570633336. Its totient is φ = 73852320.

The previous prime is 223650961. The next prime is 223650983. The reversal of 223650972 is 279056322.

It is an interprime number because it is at equal distance from previous prime (223650961) and next prime (223650983).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25179 + ... + 32882.

It is an arithmetic number, because the mean of its divisors is an integer number (15850926).

Almost surely, 2^223650972 is an apocalyptic number.

It is an amenable number.

223650972 is an abundant number, since it is smaller than the sum of its proper divisors (346982364).

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

223650972 is a wasteful number, since it uses less digits than its factorization.

223650972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58178 (or 58173 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 223650972 is about 14954.9647943417. The cubic root of 223650972 is about 607.0021974920.

The spelling of 223650972 in words is "two hundred twenty-three million, six hundred fifty thousand, nine hundred seventy-two".