1228802880 has 112 divisors (see below), whose sum is σ = 3975225984. Its totient is φ = 321484800.

The previous prime is 1228802833. The next prime is 1228802881. The reversal of 1228802880 is 882088221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228802881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38805 + ... + 62955.

Almost surely, 2^1228802880 is an apocalyptic number.

1228802880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228802880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987612992).

1228802880 is an abundant number, since it is smaller than the sum of its proper divisors (2746423104).

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

1228802880 is a wasteful number, since it uses less digits than its factorization.

1228802880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24224 (or 24214 counting only the distinct ones).

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

The square root of 1228802880 is about 35054.2847594984. The cubic root of 1228802880 is about 1071.0935569220.

The spelling of 1228802880 in words is "one billion, two hundred twenty-eight million, eight hundred two thousand, eight hundred eighty".