1222045255 has 16 divisors (see below), whose sum is σ = 1574593344. Its totient is φ = 907164160.

The previous prime is 1222045243. The next prime is 1222045267. The reversal of 1222045255 is 5525402221.

It is an interprime number because it is at equal distance from previous prime (1222045243) and next prime (1222045267).

It is not a de Polignac number, because 1222045255 - 2⁷ = 1222045127 is a prime.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 95212 + ... + 107281.

It is an arithmetic number, because the mean of its divisors is an integer number (98412084).

Almost surely, 2^1222045255 is an apocalyptic number.

1222045255 is a deficient number, since it is larger than the sum of its proper divisors (352548089).

1222045255 is a wasteful number, since it uses less digits than its factorization.

1222045255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202586.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1222045255 is about 34957.7638729939. The cubic root of 1222045255 is about 1069.1265049224.

Adding to 1222045255 its reverse (5525402221), we get a palindrome (6747447476).

It can be divided in two parts, 12220 and 45255, that added together give a palindrome (57475).

The spelling of 1222045255 in words is "one billion, two hundred twenty-two million, forty-five thousand, two hundred fifty-five".