3722331 has 4 divisors (see below), whose sum is σ = 4963112. Its totient is φ = 2481552.

The previous prime is 3722293. The next prime is 3722339. The reversal of 3722331 is 1332273.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3722331 - 2²¹ = 1625179 is a prime.

It is a super-2 number, since 2×3722331² = 27711496147122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3722298 and 3722307.

It is not an unprimeable number, because it can be changed into a prime (3722339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620386 + ... + 620391.

It is an arithmetic number, because the mean of its divisors is an integer number (1240778).

Almost surely, 2^3722331 is an apocalyptic number.

3722331 is a deficient number, since it is larger than the sum of its proper divisors (1240781).

3722331 is a wasteful number, since it uses less digits than its factorization.

3722331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240780.

The product of its digits is 756, while the sum is 21.

The square root of 3722331 is about 1929.3343411654. The cubic root of 3722331 is about 154.9785749089.

The spelling of 3722331 in words is "three million, seven hundred twenty-two thousand, three hundred thirty-one".