222984574 has 4 divisors (see below), whose sum is σ = 334476864. Its totient is φ = 111492286.

The previous prime is 222984547. The next prime is 222984583. The reversal of 222984574 is 475489222.

It is a happy number.

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

It is a super-2 number, since 2×222984574² = 99444240483922952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222984574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55746142 + ... + 55746145.

It is an arithmetic number, because the mean of its divisors is an integer number (83619216).

Almost surely, 2^222984574 is an apocalyptic number.

222984574 is a deficient number, since it is larger than the sum of its proper divisors (111492290).

222984574 is a wasteful number, since it uses less digits than its factorization.

222984574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111492289.

The product of its digits is 322560, while the sum is 43.

The square root of 222984574 is about 14932.6680134529. The cubic root of 222984574 is about 606.3987162848.

The spelling of 222984574 in words is "two hundred twenty-two million, nine hundred eighty-four thousand, five hundred seventy-four".