3721922 has 16 divisors (see below), whose sum is σ = 5812992. Its totient is φ = 1785360.

The previous prime is 3721919. The next prime is 3721931. The reversal of 3721922 is 2291273.

It is a junction number, because it is equal to n+sod(n) for n = 3721891 and 3721900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10553 + ... + 10899.

It is an arithmetic number, because the mean of its divisors is an integer number (363312).

Almost surely, 2^3721922 is an apocalyptic number.

3721922 is a deficient number, since it is larger than the sum of its proper divisors (2091070).

3721922 is a wasteful number, since it uses less digits than its factorization.

3721922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 1512, while the sum is 26.

The square root of 3721922 is about 1929.2283431466. The cubic root of 3721922 is about 154.9728984874.

It can be divided in two parts, 37219 and 22, that multiplied together give a palindrome (818818).

The spelling of 3721922 in words is "three million, seven hundred twenty-one thousand, nine hundred twenty-two".