2186830422 has 144 divisors (see below), whose sum is σ = 5774326272. Its totient is φ = 585804960.

The previous prime is 2186830421. The next prime is 2186830493. The reversal of 2186830422 is 2240386812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186830421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5958483 + ... + 5958849.

It is an arithmetic number, because the mean of its divisors is an integer number (40099488).

Almost surely, 2^2186830422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2186830422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2887163136).

2186830422 is an abundant number, since it is smaller than the sum of its proper divisors (3587495850).

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

2186830422 is a wasteful number, since it uses less digits than its factorization.

2186830422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 529 counting only the distinct ones).

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

The square root of 2186830422 is about 46763.5586969170. The cubic root of 2186830422 is about 1297.9910631917.

The spelling of 2186830422 in words is "two billion, one hundred eighty-six million, eight hundred thirty thousand, four hundred twenty-two".