2197865298 has 32 divisors (see below), whose sum is σ = 4662691776. Its totient is φ = 688283648.

The previous prime is 2197865273. The next prime is 2197865309. The reversal of 2197865298 is 8925687912.

It is a happy number.

It is a super-2 number, since 2×2197865298² = 9661223736305257608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38290 + ... + 76562.

It is an arithmetic number, because the mean of its divisors is an integer number (145709118).

Almost surely, 2^2197865298 is an apocalyptic number.

2197865298 is an abundant number, since it is smaller than the sum of its proper divisors (2464826478).

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

2197865298 is a wasteful number, since it uses less digits than its factorization.

2197865298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38858.

The product of its digits is 4354560, while the sum is 57.

The square root of 2197865298 is about 46881.3960756290. The cubic root of 2197865298 is about 1300.1706478155.

The spelling of 2197865298 in words is "two billion, one hundred ninety-seven million, eight hundred sixty-five thousand, two hundred ninety-eight".