11222347 has 4 divisors (see below), whose sum is σ = 11357640. Its totient is φ = 11087056.

The previous prime is 11222339. The next prime is 11222357. The reversal of 11222347 is 74322211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74322211 = 569 ⋅130619.

It is a cyclic number.

It is not a de Polignac number, because 11222347 - 2³ = 11222339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11222317) 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, 67522 + ... + 67687.

It is an arithmetic number, because the mean of its divisors is an integer number (2839410).

Almost surely, 2^11222347 is an apocalyptic number.

11222347 is a deficient number, since it is larger than the sum of its proper divisors (135293).

11222347 is an equidigital number, since it uses as much as digits as its factorization.

11222347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135292.

The product of its digits is 672, while the sum is 22.

The square root of 11222347 is about 3349.9771641013. The cubic root of 11222347 is about 223.8864951627.

Adding to 11222347 its reverse (74322211), we get a palindrome (85544558).

The spelling of 11222347 in words is "eleven million, two hundred twenty-two thousand, three hundred forty-seven".