11222018 has 8 divisors (see below), whose sum is σ = 16944960. Its totient is φ = 5573700.

The previous prime is 11221993. The next prime is 11222021. The reversal of 11222018 is 81022211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11221987 and 11222005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18278 + ... + 18881.

It is an arithmetic number, because the mean of its divisors is an integer number (2118120).

Almost surely, 2^11222018 is an apocalyptic number.

11222018 is a deficient number, since it is larger than the sum of its proper divisors (5722942).

11222018 is a wasteful number, since it uses less digits than its factorization.

11222018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37312.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11222018 is about 3349.9280589290. The cubic root of 11222018 is about 223.8843072848.

Adding to 11222018 its reverse (81022211), we get a palindrome (92244229).

The spelling of 11222018 in words is "eleven million, two hundred twenty-two thousand, eighteen".