4012722 has 24 divisors (see below), whose sum is σ = 9936576. Its totient is φ = 1146456.

The previous prime is 4012721. The next prime is 4012747. The reversal of 4012722 is 2272104.

It is a super-2 number, since 2×4012722² = 32203875698568, which contains 22 as substring.

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

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 4012695 and 4012704.

It is not an unprimeable number, because it can be changed into a prime (4012721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15798 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (414024).

Almost surely, 2^4012722 is an apocalyptic number.

4012722 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4012722 is an abundant number, since it is smaller than the sum of its proper divisors (5923854).

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

4012722 is a wasteful number, since it uses less digits than its factorization.

4012722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31862 (or 31859 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4012722 is about 2003.1779751185. The cubic root of 4012722 is about 158.9082180631.

Adding to 4012722 its reverse (2272104), we get a palindrome (6284826).

The spelling of 4012722 in words is "four million, twelve thousand, seven hundred twenty-two".