3681122 has 4 divisors (see below), whose sum is σ = 5521686. Its totient is φ = 1840560.

The previous prime is 3681113. The next prime is 3681131. The reversal of 3681122 is 2211863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211863 = 71 ⋅31153.

It is an interprime number because it is at equal distance from previous prime (3681113) and next prime (3681131).

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 1343281 = 1529^2 + 1159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920279 + ... + 920282.

Almost surely, 2^3681122 is an apocalyptic number.

3681122 is a deficient number, since it is larger than the sum of its proper divisors (1840564).

3681122 is a wasteful number, since it uses less digits than its factorization.

3681122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840563.

The product of its digits is 576, while the sum is 23.

The square root of 3681122 is about 1918.6250285035. The cubic root of 3681122 is about 154.4045415991.

Adding to 3681122 its reverse (2211863), we get a palindrome (5892985).

The spelling of 3681122 in words is "three million, six hundred eighty-one thousand, one hundred twenty-two".