11222660 has 24 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 4393184.

The previous prime is 11222621. The next prime is 11222671. The reversal of 11222660 is 6622211.

It is a happy number.

11222660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (1002960).

Almost surely, 2^11222660 is an apocalyptic number.

11222660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222660 is an abundant number, since it is smaller than the sum of its proper divisors (12848380).

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

11222660 is a wasteful number, since it uses less digits than its factorization.

11222660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995 (or 11993 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11222660 is about 3350.0238805119. The cubic root of 11222660 is about 223.8885765996. Note that the first 3 decimals are identical.

Adding to 11222660 its reverse (6622211), we get a palindrome (17844871).

The spelling of 11222660 in words is "eleven million, two hundred twenty-two thousand, six hundred sixty".