2192944 has 30 divisors (see below), whose sum is σ = 4606476. Its totient is φ = 1010880.

The previous prime is 2192941. The next prime is 2192947. The reversal of 2192944 is 4492912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2192941) and next prime (2192947).

It is not an unprimeable number, because it can be changed into a prime (2192941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2299 + ... + 3109.

2^2192944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2192944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303238).

2192944 is an abundant number, since it is smaller than the sum of its proper divisors (2413532).

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

2192944 is a wasteful number, since it uses less digits than its factorization.

2192944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 826 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2192944 is about 1480.8592100534. The cubic root of 2192944 is about 129.9199507187.

Subtracting 2192944 from its reverse (4492912), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 2192 and 944, that added together give a square (3136 = 56²).

The spelling of 2192944 in words is "two million, one hundred ninety-two thousand, nine hundred forty-four".