11221422 has 16 divisors (see below), whose sum is σ = 22490832. Its totient is φ = 3732480.

The previous prime is 11221417. The next prime is 11221423. The reversal of 11221422 is 22412211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221423) 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, 1518 + ... + 4974.

It is an arithmetic number, because the mean of its divisors is an integer number (1405677).

Almost surely, 2^11221422 is an apocalyptic number.

11221422 is an abundant number, since it is smaller than the sum of its proper divisors (11269410).

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

11221422 is a wasteful number, since it uses less digits than its factorization.

11221422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003.

The product of its digits is 64, while the sum is 15.

The square root of 11221422 is about 3349.8391006136. The cubic root of 11221422 is about 223.8803437252.

Adding to 11221422 its reverse (22412211), we get a palindrome (33633633).

The spelling of 11221422 in words is "eleven million, two hundred twenty-one thousand, four hundred twenty-two".