3818722 has 16 divisors (see below), whose sum is σ = 5894712. Its totient is φ = 1854720.

The previous prime is 3818719. The next prime is 3818729. The reversal of 3818722 is 2278183.

It can be written as a sum of positive squares in 4 ways, for example, as 502681 + 3316041 = 709^2 + 1821^2 .

It is not an unprimeable number, because it can be changed into a prime (3818729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13648 + ... + 13924.

Almost surely, 2^3818722 is an apocalyptic number.

3818722 is a deficient number, since it is larger than the sum of its proper divisors (2075990).

3818722 is a wasteful number, since it uses less digits than its factorization.

3818722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its digits is 5376, while the sum is 31.

The square root of 3818722 is about 1954.1550603778. The cubic root of 3818722 is about 156.3049317258.

The spelling of 3818722 in words is "three million, eight hundred eighteen thousand, seven hundred twenty-two".