11190222 has 12 divisors (see below), whose sum is σ = 24245520. Its totient is φ = 3730068.

The previous prime is 11190217. The next prime is 11190251. The reversal of 11190222 is 22209111.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 621679 = 11190222 / (1 + 1 + 1 + 9 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 11190195 and 11190204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310822 + ... + 310857.

It is an arithmetic number, because the mean of its divisors is an integer number (2020460).

Almost surely, 2^11190222 is an apocalyptic number.

11190222 is an abundant number, since it is smaller than the sum of its proper divisors (13055298).

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

11190222 is a wasteful number, since it uses less digits than its factorization.

11190222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621687 (or 621684 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11190222 is about 3345.1789189818. The cubic root of 11190222 is about 223.6726590992.

Adding to 11190222 its reverse (22209111), we get a palindrome (33399333).

The spelling of 11190222 in words is "eleven million, one hundred ninety thousand, two hundred twenty-two".