1222366 has 8 divisors (see below), whose sum is σ = 1847160. Its totient is φ = 606648.

The previous prime is 1222307. The next prime is 1222373. The reversal of 1222366 is 6632221.

It is a happy number.

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

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is a congruent number.

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, 1921 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (230895).

2^1222366 is an apocalyptic number.

1222366 is a deficient number, since it is larger than the sum of its proper divisors (624794).

1222366 is a wasteful number, since it uses less digits than its factorization.

1222366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538.

The product of its digits is 864, while the sum is 22.

The square root of 1222366 is about 1105.6066208195. The cubic root of 1222366 is about 106.9220033096.

Adding to 1222366 its reverse (6632221), we get a palindrome (7854587).

The spelling of 1222366 in words is "one million, two hundred twenty-two thousand, three hundred sixty-six".