222972422 has 4 divisors (see below), whose sum is σ = 334458636. Its totient is φ = 111486210.

The previous prime is 222972413. The next prime is 222972433. The reversal of 222972422 is 224279222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55743104 + ... + 55743107.

It is an arithmetic number, because the mean of its divisors is an integer number (83614659).

Almost surely, 2^222972422 is an apocalyptic number.

222972422 is a deficient number, since it is larger than the sum of its proper divisors (111486214).

222972422 is a wasteful number, since it uses less digits than its factorization.

222972422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111486213.

The product of its digits is 16128, while the sum is 32.

The square root of 222972422 is about 14932.2611147810. The cubic root of 222972422 is about 606.3877004389.

The spelling of 222972422 in words is "two hundred twenty-two million, nine hundred seventy-two thousand, four hundred twenty-two".