11660222 has 16 divisors (see below), whose sum is σ = 20081760. Its totient is φ = 4974048.

The previous prime is 11660221. The next prime is 11660227. The reversal of 11660222 is 22206611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11660194 and 11660203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660221) 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, 1388 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1255110).

Almost surely, 2^11660222 is an apocalyptic number.

11660222 is a deficient number, since it is larger than the sum of its proper divisors (8421538).

11660222 is a wasteful number, since it uses less digits than its factorization.

11660222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875.

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

The square root of 11660222 is about 3414.7067223995. The cubic root of 11660222 is about 226.7613008343.

Adding to 11660222 its reverse (22206611), we get a palindrome (33866833).

The spelling of 11660222 in words is "eleven million, six hundred sixty thousand, two hundred twenty-two".