1199922255 has 80 divisors (see below), whose sum is σ = 2475416064. Its totient is φ = 544708800.

The previous prime is 1199922211. The next prime is 1199922307. The reversal of 1199922255 is 5522299911.

It is not a de Polignac number, because 1199922255 - 2²⁵ = 1166367823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1199922255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 426684 + ... + 429486.

Almost surely, 2^1199922255 is an apocalyptic number.

1199922255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1199922255 is an abundant number, since it is smaller than the sum of its proper divisors (1275493809).

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

1199922255 is a wasteful number, since it uses less digits than its factorization.

1199922255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2969 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The square root of 1199922255 is about 34639.8939807846. The cubic root of 1199922255 is about 1062.6356196896.

The spelling of 1199922255 in words is "one billion, one hundred ninety-nine million, nine hundred twenty-two thousand, two hundred fifty-five".