2199120 has 240 divisors, whose sum is σ = 9160128. Its totient is φ = 430080.

The previous prime is 2199077. The next prime is 2199121. The reversal of 2199120 is 219912.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×2199120² = 9672257548800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129352 + ... + 129368.

2^2199120 is an apocalyptic number.

2199120 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 2199120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580064).

2199120 is an abundant number, since it is smaller than the sum of its proper divisors (6961008).

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

2199120 is a wasteful number, since it uses less digits than its factorization.

2199120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2199120 is about 1482.9430198089. The cubic root of 2199120 is about 130.0418011532.

It can be divided in two parts, 219 and 9120, that added together give a palindrome (9339).

The spelling of 2199120 in words is "two million, one hundred ninety-nine thousand, one hundred twenty".