2297898381285 has 128 divisors (see below), whose sum is σ = 4553334374400. Its totient is φ = 1091881969920.

The previous prime is 2297898381281. The next prime is 2297898381299. The reversal of 2297898381285 is 5821838987922.

2297898381285 is a `hidden beast` number, since 2 + 2 + 97 + 89 + 8 + 381 + 2 + 85 = 666.

It is not a de Polignac number, because 2297898381285 - 2² = 2297898381281 is a prime.

It is a super-3 number, since 3×2297898381285³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297898381281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20563774 + ... + 20675216.

It is an arithmetic number, because the mean of its divisors is an integer number (35572924800).

Almost surely, 2^{2297898381285} is an apocalyptic number.

It is an amenable number.

2297898381285 is a deficient number, since it is larger than the sum of its proper divisors (2255435993115).

2297898381285 is a wasteful number, since it uses less digits than its factorization.

2297898381285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111880 (or 111874 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 72.

The spelling of 2297898381285 in words is "two trillion, two hundred ninety-seven billion, eight hundred ninety-eight million, three hundred eighty-one thousand, two hundred eighty-five".