11397222 has 24 divisors (see below), whose sum is σ = 24771240. Its totient is φ = 3787200.

The previous prime is 11397163. The next prime is 11397223. The reversal of 11397222 is 22279311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6429 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (1032135).

Almost surely, 2^11397222 is an apocalyptic number.

11397222 is an abundant number, since it is smaller than the sum of its proper divisors (13374018).

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

11397222 is a wasteful number, since it uses less digits than its factorization.

11397222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1985 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11397222 is about 3375.9771918661. The cubic root of 11397222 is about 225.0434286541.

The spelling of 11397222 in words is "eleven million, three hundred ninety-seven thousand, two hundred twenty-two".