1222688760 has 64 divisors (see below), whose sum is σ = 3861129600. Its totient is φ = 308889216.

The previous prime is 1222688737. The next prime is 1222688777. The reversal of 1222688760 is 678862221.

It is a happy 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, 265854 + ... + 270413.

It is an arithmetic number, because the mean of its divisors is an integer number (60330150).

Almost surely, 2^1222688760 is an apocalyptic number.

1222688760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222688760 is an abundant number, since it is smaller than the sum of its proper divisors (2638440840).

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

1222688760 is a wasteful number, since it uses less digits than its factorization.

1222688760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536300 (or 536296 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1222688760 is about 34966.9666971558. The cubic root of 1222688760 is about 1069.3141323237.

The spelling of 1222688760 in words is "one billion, two hundred twenty-two million, six hundred eighty-eight thousand, seven hundred sixty".