11221626 has 32 divisors (see below), whose sum is σ = 24691968. Its totient is φ = 3378240.

The previous prime is 11221601. The next prime is 11221627. The reversal of 11221626 is 62612211.

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

It is not an unprimeable number, because it can be changed into a prime (11221627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (771624).

Almost surely, 2^11221626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12345984).

11221626 is an abundant number, since it is smaller than the sum of its proper divisors (13470342).

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

11221626 is a wasteful number, since it uses less digits than its factorization.

11221626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its digits is 288, while the sum is 21.

The square root of 11221626 is about 3349.8695496989. The cubic root of 11221626 is about 223.8817003956.

Adding to 11221626 its reverse (62612211), we get a palindrome (73833837).

The spelling of 11221626 in words is "eleven million, two hundred twenty-one thousand, six hundred twenty-six".