2291950 has 24 divisors (see below), whose sum is σ = 4450608. Its totient is φ = 876480.

The previous prime is 2291929. The next prime is 2291959. The reversal of 2291950 is 591922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (185442).

2^2291950 is an apocalyptic number.

2291950 is a deficient number, since it is larger than the sum of its proper divisors (2158658).

2291950 is a wasteful number, since it uses less digits than its factorization.

2291950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 2291950 is about 1513.9187560764. The cubic root of 2291950 is about 131.8464314477.

Subtracting from 2291950 its sum of digits (28), we obtain a palindrome (2291922).

The spelling of 2291950 in words is "two million, two hundred ninety-one thousand, nine hundred fifty".