2231868590 has 16 divisors (see below), whose sum is σ = 4591272672. Its totient is φ = 765212064.

The previous prime is 2231868571. The next prime is 2231868593. The reversal of 2231868590 is 958681322.

It is a super-3 number, since 3×2231868590³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231868593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15941849 + ... + 15941988.

It is an arithmetic number, because the mean of its divisors is an integer number (286954542).

Almost surely, 2^2231868590 is an apocalyptic number.

2231868590 is an abundant number, since it is smaller than the sum of its proper divisors (2359404082).

2231868590 is a wasteful number, since it uses less digits than its factorization.

2231868590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883851.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2231868590 is about 47242.6564663758. The cubic root of 2231868590 is about 1306.8413674538.

The spelling of 2231868590 in words is "two billion, two hundred thirty-one million, eight hundred sixty-eight thousand, five hundred ninety".