1222727872560 has 240 divisors, whose sum is σ = 3919222555488. Its totient is φ = 315313152000.

The previous prime is 1222727872549. The next prime is 1222727872571. The reversal of 1222727872560 is 652787272221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1222727872549) and next prime (1222727872571).

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×1222727872560³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44806120 + ... + 44833400.

Almost surely, 2^{1222727872560} is an apocalyptic number.

1222727872560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222727872560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1959611277744).

1222727872560 is an abundant number, since it is smaller than the sum of its proper divisors (2696494682928).

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

1222727872560 is a wasteful number, since it uses less digits than its factorization.

1222727872560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27484 (or 27435 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 1222727872560 in words is "one trillion, two hundred twenty-two billion, seven hundred twenty-seven million, eight hundred seventy-two thousand, five hundred sixty".