3731022 has 32 divisors (see below), whose sum is σ = 8403360. Its totient is φ = 1242216.

The previous prime is 3731017. The next prime is 3731069. The reversal of 3731022 is 2201373.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3730986 and 3731004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3948 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (262605).

Almost surely, 2^3731022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3731022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201680).

3731022 is an abundant number, since it is smaller than the sum of its proper divisors (4672338).

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

3731022 is an frugal number, since it uses more digits than its factorization.

3731022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3731022 is about 1931.5853592322. The cubic root of 3731022 is about 155.0990972266.

Adding to 3731022 its reverse (2201373), we get a palindrome (5932395).

It can be divided in two parts, 3 and 731022, that added together give a square (731025 = 855²).

The spelling of 3731022 in words is "three million, seven hundred thirty-one thousand, twenty-two".