1224881418 has 16 divisors (see below), whose sum is σ = 2491284960. Its totient is φ = 401373456.

The previous prime is 1224881327. The next prime is 1224881419. The reversal of 1224881418 is 8141884221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224881419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729705 + ... + 1730412.

It is an arithmetic number, because the mean of its divisors is an integer number (155705310).

Almost surely, 2^1224881418 is an apocalyptic number.

1224881418 is an abundant number, since it is smaller than the sum of its proper divisors (1266403542).

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

1224881418 is a wasteful number, since it uses less digits than its factorization.

1224881418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460181.

The product of its digits is 32768, while the sum is 39.

The square root of 1224881418 is about 34998.3059304304. The cubic root of 1224881418 is about 1069.9529539393.

The spelling of 1224881418 in words is "one billion, two hundred twenty-four million, eight hundred eighty-one thousand, four hundred eighteen".