1222023262 has 4 divisors (see below), whose sum is σ = 1833034896. Its totient is φ = 611011630.

The previous prime is 1222023259. The next prime is 1222023287. The reversal of 1222023262 is 2623202221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305505814 + ... + 305505817.

It is an arithmetic number, because the mean of its divisors is an integer number (458258724).

Almost surely, 2^1222023262 is an apocalyptic number.

1222023262 is a deficient number, since it is larger than the sum of its proper divisors (611011634).

1222023262 is an equidigital number, since it uses as much as digits as its factorization.

1222023262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611011633.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1222023262 is about 34957.4493062638. The cubic root of 1222023262 is about 1069.1200912373.

Adding to 1222023262 its reverse (2623202221), we get a palindrome (3845225483).

The spelling of 1222023262 in words is "one billion, two hundred twenty-two million, twenty-three thousand, two hundred sixty-two".