1222276046 has 4 divisors (see below), whose sum is σ = 1833414072. Its totient is φ = 611138022.

The previous prime is 1222276007. The next prime is 1222276193. The reversal of 1222276046 is 6406722221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305569010 + ... + 305569013.

It is an arithmetic number, because the mean of its divisors is an integer number (458353518).

Almost surely, 2^1222276046 is an apocalyptic number.

1222276046 is a deficient number, since it is larger than the sum of its proper divisors (611138026).

1222276046 is an equidigital number, since it uses as much as digits as its factorization.

1222276046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611138025.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1222276046 is about 34961.0647149082. The cubic root of 1222276046 is about 1069.1938044605.

Adding to 1222276046 its reverse (6406722221), we get a palindrome (7628998267).

The spelling of 1222276046 in words is "one billion, two hundred twenty-two million, two hundred seventy-six thousand, forty-six".