2521922 has 8 divisors (see below), whose sum is σ = 4073916. Its totient is φ = 1163952.

The previous prime is 2521921. The next prime is 2521949. The reversal of 2521922 is 2291252.

2521922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 502681 = 1421^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2521921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48473 + ... + 48524.

2^2521922 is an apocalyptic number.

2521922 is a deficient number, since it is larger than the sum of its proper divisors (1551994).

2521922 is a wasteful number, since it uses less digits than its factorization.

2521922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97012.

The product of its digits is 720, while the sum is 23.

The square root of 2521922 is about 1588.0560443511. The cubic root of 2521922 is about 136.1164299956.

It can be divided in two parts, 2521 and 922, that added together give a palindrome (3443).

The spelling of 2521922 in words is "two million, five hundred twenty-one thousand, nine hundred twenty-two".