11690222 has 4 divisors (see below), whose sum is σ = 17535336. Its totient is φ = 5845110.

The previous prime is 11690209. The next prime is 11690243. The reversal of 11690222 is 22209611.

11690222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22209611 = 1747 ⋅12713.

It is a super-2 number, since 2×11690222² = 273322580818568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922554 + ... + 2922557.

It is an arithmetic number, because the mean of its divisors is an integer number (4383834).

Almost surely, 2^11690222 is an apocalyptic number.

11690222 is a deficient number, since it is larger than the sum of its proper divisors (5845114).

11690222 is an equidigital number, since it uses as much as digits as its factorization.

11690222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845113.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 11690222 is about 3419.0966643252. The cubic root of 11690222 is about 226.9556085448.

Adding to 11690222 its reverse (22209611), we get a palindrome (33899833).

The spelling of 11690222 in words is "eleven million, six hundred ninety thousand, two hundred twenty-two".