3922281 has 12 divisors (see below), whose sum is σ = 6180720. Its totient is φ = 2377080.

The previous prime is 3922277. The next prime is 3922309. The reversal of 3922281 is 1822293.

It is a happy number.

It is not a de Polignac number, because 3922281 - 2² = 3922277 is a prime.

It is a super-2 number, since 2×3922281² = 30768576485922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3922231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19711 + ... + 19908.

It is an arithmetic number, because the mean of its divisors is an integer number (515060).

Almost surely, 2^3922281 is an apocalyptic number.

It is an amenable number.

3922281 is a deficient number, since it is larger than the sum of its proper divisors (2258439).

3922281 is a wasteful number, since it uses less digits than its factorization.

3922281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39636 (or 39633 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3922281 is about 1980.4749430377. The cubic root of 3922281 is about 157.7052803251.

The spelling of 3922281 in words is "three million, nine hundred twenty-two thousand, two hundred eighty-one".