2192440 has 32 divisors (see below), whose sum is σ = 5022000. Its totient is φ = 861184.

The previous prime is 2192431. The next prime is 2192459. The reversal of 2192440 is 442912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896 + ... + 2824.

2^2192440 is an apocalyptic number.

2192440 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 2192440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511000).

2192440 is an abundant number, since it is smaller than the sum of its proper divisors (2829560).

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

2192440 is a wasteful number, since it uses less digits than its factorization.

2192440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2192440 is about 1480.6890287971. The cubic root of 2192440 is about 129.9099968740.

The spelling of 2192440 in words is "two million, one hundred ninety-two thousand, four hundred forty".