11221242 has 8 divisors (see below), whose sum is σ = 22442496. Its totient is φ = 3740412.

The previous prime is 11221219. The next prime is 11221247. The reversal of 11221242 is 24212211.

It is a sphenic number, since it is the product of 3 distinct primes.

11221242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11221247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935098 + ... + 935109.

It is an arithmetic number, because the mean of its divisors is an integer number (2805312).

Almost surely, 2^11221242 is an apocalyptic number.

11221242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11221242 is a wasteful number, since it uses less digits than its factorization.

11221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870212.

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

The square root of 11221242 is about 3349.8122335438. The cubic root of 11221242 is about 223.8791466494.

Adding to 11221242 its reverse (24212211), we get a palindrome (35433453).

The spelling of 11221242 in words is "eleven million, two hundred twenty-one thousand, two hundred forty-two".