2180222492 has 24 divisors (see below), whose sum is σ = 4377426144. Its totient is φ = 930742272.

The previous prime is 2180222491. The next prime is 2180222497. The reversal of 2180222492 is 2942220812.

It is a super-2 number, since 2×2180222492² = 9506740229245380128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180222491) 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, 144293 + ... + 158684.

It is an arithmetic number, because the mean of its divisors is an integer number (182392756).

Almost surely, 2^2180222492 is an apocalyptic number.

It is an amenable number.

2180222492 is an abundant number, since it is smaller than the sum of its proper divisors (2197203652).

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

2180222492 is a wasteful number, since it uses less digits than its factorization.

2180222492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303245 (or 303243 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2180222492 is about 46692.8526864658. The cubic root of 2180222492 is about 1296.6823673450.

The spelling of 2180222492 in words is "two billion, one hundred eighty million, two hundred twenty-two thousand, four hundred ninety-two".