1122288898 has 16 divisors (see below), whose sum is σ = 1785223800. Its totient is φ = 527316736.

The previous prime is 1122288883. The next prime is 1122288907. The reversal of 1122288898 is 8988822211.

It can be written as a sum of positive squares in 4 ways, for example, as 1058656369 + 63632529 = 32537^2 + 7977^2 .

It is a super-3 number, since 3×1122288898³ (a number of 28 digits) contains 333 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 47476.

Almost surely, 2^1122288898 is an apocalyptic number.

1122288898 is a deficient number, since it is larger than the sum of its proper divisors (662934902).

1122288898 is a wasteful number, since it uses less digits than its factorization.

1122288898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51221.

The product of its digits is 294912, while the sum is 49.

The square root of 1122288898 is about 33500.5805621335. The cubic root of 1122288898 is about 1039.2057847862.

The spelling of 1122288898 in words is "one billion, one hundred twenty-two million, two hundred eighty-eight thousand, eight hundred ninety-eight".