1224986898 has 16 divisors (see below), whose sum is σ = 2516189760. Its totient is φ = 397292976.

The previous prime is 1224986879. The next prime is 1224986909. The reversal of 1224986898 is 8986894221.

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, 2758758 + ... + 2759201.

It is an arithmetic number, because the mean of its divisors is an integer number (157261860).

Almost surely, 2^1224986898 is an apocalyptic number.

1224986898 is an abundant number, since it is smaller than the sum of its proper divisors (1291202862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224986898 is a wasteful number, since it uses less digits than its factorization.

1224986898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518001.

The product of its digits is 3981312, while the sum is 57.

The square root of 1224986898 is about 34999.8128280710. The cubic root of 1224986898 is about 1069.9836658641.

The spelling of 1224986898 in words is "one billion, two hundred twenty-four million, nine hundred eighty-six thousand, eight hundred ninety-eight".