11222071 has 8 divisors (see below), whose sum is σ = 13001504. Its totient is φ = 9486720.

The previous prime is 11222051. The next prime is 11222083. The reversal of 11222071 is 17022211.

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

It is a cyclic number.

It is not a de Polignac number, because 11222071 - 2⁵ = 11222039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10470 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (1625188).

Almost surely, 2^11222071 is an apocalyptic number.

11222071 is a deficient number, since it is larger than the sum of its proper divisors (1779433).

11222071 is an equidigital number, since it uses as much as digits as its factorization.

11222071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22041.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11222071 is about 3349.9359695373. The cubic root of 11222071 is about 223.8846597422.

Adding to 11222071 its reverse (17022211), we get a palindrome (28244282).

The spelling of 11222071 in words is "eleven million, two hundred twenty-two thousand, seventy-one".