2231842860 has 144 divisors (see below), whose sum is σ = 7310538144. Its totient is φ = 547881984.

The previous prime is 2231842819. The next prime is 2231842891. The reversal of 2231842860 is 682481322.

2231842860 is a `hidden beast` number, since 223 + 1 + 8 + 428 + 6 + 0 = 666.

It is a super-3 number, since 3×2231842860³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1035544 + ... + 1037696.

It is an arithmetic number, because the mean of its divisors is an integer number (50767626).

Almost surely, 2^2231842860 is an apocalyptic number.

2231842860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231842860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655269072).

2231842860 is an abundant number, since it is smaller than the sum of its proper divisors (5078695284).

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

2231842860 is a wasteful number, since it uses less digits than its factorization.

2231842860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2231842860 is about 47242.3841481355. The cubic root of 2231842860 is about 1306.8363454799.

The spelling of 2231842860 in words is "two billion, two hundred thirty-one million, eight hundred forty-two thousand, eight hundred sixty".