222972443 has 8 divisors (see below), whose sum is σ = 225464928. Its totient is φ = 220486464.

The previous prime is 222972439. The next prime is 222972461. The reversal of 222972443 is 344279222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222972443 - 2² = 222972439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222972413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 103271 + ... + 105407.

It is an arithmetic number, because the mean of its divisors is an integer number (28183116).

Almost surely, 2^222972443 is an apocalyptic number.

222972443 is a deficient number, since it is larger than the sum of its proper divisors (2492485).

222972443 is a wasteful number, since it uses less digits than its factorization.

222972443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253.

The product of its digits is 48384, while the sum is 35.

The square root of 222972443 is about 14932.2618179564. The cubic root of 222972443 is about 606.3877194759.

The spelling of 222972443 in words is "two hundred twenty-two million, nine hundred seventy-two thousand, four hundred forty-three".