1224802845 has 48 divisors (see below), whose sum is σ = 2477928960. Its totient is φ = 547990272.

The previous prime is 1224802837. The next prime is 1224802847. The reversal of 1224802845 is 5482084221.

It is not a de Polignac number, because 1224802845 - 2³ = 1224802837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224802847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26560 + ... + 56169.

It is an arithmetic number, because the mean of its divisors is an integer number (51623520).

Almost surely, 2^1224802845 is an apocalyptic number.

1224802845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224802845 is an abundant number, since it is smaller than the sum of its proper divisors (1253126115).

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

1224802845 is a wasteful number, since it uses less digits than its factorization.

1224802845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82794 (or 82791 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1224802845 is about 34997.1833866670. The cubic root of 1224802845 is about 1069.9300752046.

The spelling of 1224802845 in words is "one billion, two hundred twenty-four million, eight hundred two thousand, eight hundred forty-five".