4013722 has 8 divisors (see below), whose sum is σ = 6088500. Its totient is φ = 1984224.

The previous prime is 4013699. The next prime is 4013729. The reversal of 4013722 is 2273104.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 128881 = 1971^2 + 359^2 .

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

It is a super-2 number, since 2×4013722² = 32219928586568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4013722.

It is not an unprimeable number, because it can be changed into a prime (4013729) 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, 11097 + ... + 11452.

Almost surely, 2^4013722 is an apocalyptic number.

4013722 is a deficient number, since it is larger than the sum of its proper divisors (2074778).

4013722 is a wasteful number, since it uses less digits than its factorization.

4013722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22640.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4013722 is about 2003.4275629531. The cubic root of 4013722 is about 158.9214173345.

Adding to 4013722 its reverse (2273104), we get a palindrome (6286826).

The spelling of 4013722 in words is "four million, thirteen thousand, seven hundred twenty-two".