1222132233 has 16 divisors (see below), whose sum is σ = 1862879616. Its totient is φ = 698142720.

The previous prime is 1222132229. The next prime is 1222132253. The reversal of 1222132233 is 3322312221.

It is a happy number.

It is not a de Polignac number, because 1222132233 - 2² = 1222132229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1222132253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79753 + ... + 93833.

It is an arithmetic number, because the mean of its divisors is an integer number (116429976).

Almost surely, 2^1222132233 is an apocalyptic number.

It is an amenable number.

1222132233 is a deficient number, since it is larger than the sum of its proper divisors (640747383).

1222132233 is a wasteful number, since it uses less digits than its factorization.

1222132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18224.

The product of its digits is 864, while the sum is 21.

The square root of 1222132233 is about 34959.0078949618. The cubic root of 1222132233 is about 1069.1518690346.

Adding to 1222132233 its reverse (3322312221), we get a palindrome (4544444454).

The spelling of 1222132233 in words is "one billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred thirty-three".