3781122 has 16 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 1256720.

The previous prime is 3781121. The next prime is 3781147. The reversal of 3781122 is 2211873.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3781092 and 3781101.

It is not an unprimeable number, because it can be changed into a prime (3781121) 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, 2083 + ... + 3449.

It is an arithmetic number, because the mean of its divisors is an integer number (474012).

Almost surely, 2^3781122 is an apocalyptic number.

3781122 is an abundant number, since it is smaller than the sum of its proper divisors (3803070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781122 is a wasteful number, since it uses less digits than its factorization.

3781122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833.

The product of its digits is 672, while the sum is 24.

The square root of 3781122 is about 1944.5107353779. The cubic root of 3781122 is about 155.7902341721.

Adding to 3781122 its reverse (2211873), we get a palindrome (5992995).

The spelling of 3781122 in words is "three million, seven hundred eighty-one thousand, one hundred twenty-two".