2190522880 has 160 divisors (see below), whose sum is σ = 6464836224. Its totient is φ = 693190656.

The previous prime is 2190522853. The next prime is 2190522881. The reversal of 2190522880 is 882250912.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190522881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228259 + ... + 237661.

Almost surely, 2^2190522880 is an apocalyptic number.

2190522880 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 2190522880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3232418112).

2190522880 is an abundant number, since it is smaller than the sum of its proper divisors (4274313344).

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

2190522880 is an equidigital number, since it uses as much as digits as its factorization.

2190522880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446 (or 9430 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2190522880 is about 46803.0221246449. The cubic root of 2190522880 is about 1298.7212040131.

The spelling of 2190522880 in words is "two billion, one hundred ninety million, five hundred twenty-two thousand, eight hundred eighty".