222288884 has 6 divisors (see below), whose sum is σ = 389005554. Its totient is φ = 111144440.

The previous prime is 222288883. The next prime is 222288917. The reversal of 222288884 is 488882222.

It can be written as a sum of positive squares in only one way, i.e., 144672784 + 77616100 = 12028^2 + 8810^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222288883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27786107 + ... + 27786114.

It is an arithmetic number, because the mean of its divisors is an integer number (64834259).

Almost surely, 2^222288884 is an apocalyptic number.

It is an amenable number.

222288884 is a deficient number, since it is larger than the sum of its proper divisors (166716670).

222288884 is a wasteful number, since it uses less digits than its factorization.

222288884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55572225 (or 55572223 counting only the distinct ones).

The product of its digits is 262144, while the sum is 44.

The square root of 222288884 is about 14909.3555863424. The cubic root of 222288884 is about 605.7674244668.

The spelling of 222288884 in words is "two hundred twenty-two million, two hundred eighty-eight thousand, eight hundred eighty-four".