11222229 has 8 divisors (see below), whose sum is σ = 15613632. Its totient is φ = 7156160.

The previous prime is 11222219. The next prime is 11222243. The reversal of 11222229 is 92222211.

It is a happy number.

11222229 is nontrivially palindromic in base 2.

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 11222229 - 2¹⁹ = 10697941 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222209) 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, 81252 + ... + 81389.

It is an arithmetic number, because the mean of its divisors is an integer number (1951704).

Almost surely, 2^11222229 is an apocalyptic number.

It is an amenable number.

11222229 is a deficient number, since it is larger than the sum of its proper divisors (4391403).

11222229 is a wasteful number, since it uses less digits than its factorization.

11222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162667.

The product of its digits is 288, while the sum is 21.

The square root of 11222229 is about 3349.9595519946. The cubic root of 11222229 is about 223.8857104576.

The spelling of 11222229 in words is "eleven million, two hundred twenty-two thousand, two hundred twenty-nine".