2227722 has 64 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 584640.

The previous prime is 2227717. The next prime is 2227723. The reversal of 2227722 is 2277222.

2227722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2227692 and 2227701.

It is not an unprimeable number, because it can be changed into a prime (2227723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37729 + ... + 37787.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^2227722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2227722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764800).

2227722 is an abundant number, since it is smaller than the sum of its proper divisors (3301878).

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

2227722 is a wasteful number, since it uses less digits than its factorization.

2227722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its digits is 1568, while the sum is 24.

The square root of 2227722 is about 1492.5555266053. Note that the first 4 decimals coincide. The cubic root of 2227722 is about 130.6031538598.

It can be divided in two parts, 222772 and 2, that multiplied together give a palindrome (445544).

The spelling of 2227722 in words is "two million, two hundred twenty-seven thousand, seven hundred twenty-two".