1222713285 has 16 divisors (see below), whose sum is σ = 2009216256. Its totient is φ = 634488768.

The previous prime is 1222713229. The next prime is 1222713307. The reversal of 1222713285 is 5823172221.

It is not a de Polignac number, because 1222713285 - 2⁹ = 1222712773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100989 + ... + 1102098.

It is an arithmetic number, because the mean of its divisors is an integer number (125576016).

Almost surely, 2^1222713285 is an apocalyptic number.

1222713285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222713285 is a deficient number, since it is larger than the sum of its proper divisors (786502971).

1222713285 is a wasteful number, since it uses less digits than its factorization.

1222713285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203132.

The product of its digits is 13440, while the sum is 33.

The square root of 1222713285 is about 34967.3173835226. The cubic root of 1222713285 is about 1069.3212818002.

The spelling of 1222713285 in words is "one billion, two hundred twenty-two million, seven hundred thirteen thousand, two hundred eighty-five".