222774998 has 4 divisors (see below), whose sum is σ = 334162500. Its totient is φ = 111387498.

The previous prime is 222774997. The next prime is 222775001. The reversal of 222774998 is 899477222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222774997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55693748 + ... + 55693751.

It is an arithmetic number, because the mean of its divisors is an integer number (83540625).

Almost surely, 2^222774998 is an apocalyptic number.

222774998 is a deficient number, since it is larger than the sum of its proper divisors (111387502).

222774998 is a wasteful number, since it uses less digits than its factorization.

222774998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111387501.

The product of its digits is 1016064, while the sum is 50.

The square root of 222774998 is about 14925.6489976148. The cubic root of 222774998 is about 606.2086785454.

The spelling of 222774998 in words is "two hundred twenty-two million, seven hundred seventy-four thousand, nine hundred ninety-eight".