1198922265 has 48 divisors (see below), whose sum is σ = 2179756800. Its totient is φ = 608446080.

The previous prime is 1198922251. The next prime is 1198922269. The reversal of 1198922265 is 5622298911.

It is a happy number.

1198922265 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1198922265 - 2⁵ = 1198922233 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1198922265.

It is not an unprimeable number, because it can be changed into a prime (1198922269) 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, 203055 + ... + 208875.

It is an arithmetic number, because the mean of its divisors is an integer number (45411600).

Almost surely, 2^1198922265 is an apocalyptic number.

1198922265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1198922265 is a deficient number, since it is larger than the sum of its proper divisors (980834535).

1198922265 is a wasteful number, since it uses less digits than its factorization.

1198922265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054 (or 6051 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 1198922265 is about 34625.4568922924. The cubic root of 1198922265 is about 1062.3403449151.

The spelling of 1198922265 in words is "one billion, one hundred ninety-eight million, nine hundred twenty-two thousand, two hundred sixty-five".