2221122 has 16 divisors (see below), whose sum is σ = 4546080. Its totient is φ = 723072.

The previous prime is 2221111. The next prime is 2221127. The reversal of 2221122 is 2211222.

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 = 2221098 and 2221107.

It is not an unprimeable number, because it can be changed into a prime (2221127) 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, 4047 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (284130).

2^2221122 is an apocalyptic number.

2221122 is an abundant number, since it is smaller than the sum of its proper divisors (2324958).

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

2221122 is a wasteful number, since it uses less digits than its factorization.

2221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657.

The product of its digits is 32, while the sum is 12.

The square root of 2221122 is about 1490.3429135605. The cubic root of 2221122 is about 130.4740483619.

Adding to 2221122 its reverse (2211222), we get a palindrome (4432344).

It can be divided in two parts, 2 and 221122, that multiplied together give a palindrome (442244).

The spelling of 2221122 in words is "two million, two hundred twenty-one thousand, one hundred twenty-two".