2421922 has 8 divisors (see below), whose sum is σ = 3846636. Its totient is φ = 1139712.

The previous prime is 2421919. The next prime is 2421931. The reversal of 2421922 is 2291242.

It can be written as a sum of positive squares in 2 ways, for example, as 2253001 + 168921 = 1501^2 + 411^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2421893 and 2421902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35583 + ... + 35650.

2^2421922 is an apocalyptic number.

2421922 is a deficient number, since it is larger than the sum of its proper divisors (1424714).

2421922 is a wasteful number, since it uses less digits than its factorization.

2421922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71252.

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

The square root of 2421922 is about 1556.2525501987. The cubic root of 2421922 is about 134.2930025793.

It can be divided in two parts, 242 and 1922, that multiplied together give a square (465124 = 682²).

The spelling of 2421922 in words is "two million, four hundred twenty-one thousand, nine hundred twenty-two".