2192388 has 48 divisors (see below), whose sum is σ = 5914944. Its totient is φ = 624640.

The previous prime is 2192387. The next prime is 2192417. The reversal of 2192388 is 8832912.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2192387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756 + ... + 2732.

It is an arithmetic number, because the mean of its divisors is an integer number (123228).

2^2192388 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 2192388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957472).

2192388 is an abundant number, since it is smaller than the sum of its proper divisors (3722556).

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

2192388 is a wasteful number, since it uses less digits than its factorization.

2192388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 2192388 is about 1480.6714693003. The cubic root of 2192388 is about 129.9089698032.

The spelling of 2192388 in words is "two million, one hundred ninety-two thousand, three hundred eighty-eight".