1222623610 has 64 divisors (see below), whose sum is σ = 2455155360. Its totient is φ = 435502080.

The previous prime is 1222623593. The next prime is 1222623631. The reversal of 1222623610 is 163262221.

It can be written as a sum of positive squares in 16 ways, for example, as 25532809 + 1197090801 = 5053^2 + 34599^2 .

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 31 ways as a sum of consecutive naturals, for example, 418836 + ... + 421744.

Almost surely, 2^1222623610 is an apocalyptic number.

1222623610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222623610 is an abundant number, since it is smaller than the sum of its proper divisors (1232531750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222623610 is a wasteful number, since it uses less digits than its factorization.

1222623610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1222623610 is about 34966.0350912139. The cubic root of 1222623610 is about 1069.2951394681.

Adding to 1222623610 its reverse (163262221), we get a palindrome (1385885831).

The spelling of 1222623610 in words is "one billion, two hundred twenty-two million, six hundred twenty-three thousand, six hundred ten".