2187343022228 has 48 divisors (see below), whose sum is σ = 4735866476544. Its totient is φ = 860792002560.

The previous prime is 2187343022173. The next prime is 2187343022231. The reversal of 2187343022228 is 8222203437812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15661325 + ... + 15800372.

It is an arithmetic number, because the mean of its divisors is an integer number (98663884928).

Almost surely, 2^{2187343022228} is an apocalyptic number.

2187343022228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2187343022228 is an abundant number, since it is smaller than the sum of its proper divisors (2548523454316).

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

2187343022228 is a wasteful number, since it uses less digits than its factorization.

2187343022228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31461912 (or 31461910 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 2187343022228 in words is "two trillion, one hundred eighty-seven billion, three hundred forty-three million, twenty-two thousand, two hundred twenty-eight".