1222709983488 has 288 divisors, whose sum is σ = 4146458400000. Its totient is φ = 348149366784.

The previous prime is 1222709983433. The next prime is 1222709983489. The reversal of 1222709983488 is 8843899072221.

1222709983488 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 70 + 9 + 9 + 83 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1222709983488² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1222709983489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14133388 + ... + 14219636.

It is an arithmetic number, because the mean of its divisors is an integer number (14397425000).

Almost surely, 2^{1222709983488} is an apocalyptic number.

1222709983488 is a gapful number since it is divisible by the number (18) 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 1222709983488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073229200000).

1222709983488 is an abundant number, since it is smaller than the sum of its proper divisors (2923748416512).

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

1222709983488 is an equidigital number, since it uses as much as digits as its factorization.

1222709983488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86574 (or 86554 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 1222709983488 in words is "one trillion, two hundred twenty-two billion, seven hundred nine million, nine hundred eighty-three thousand, four hundred eighty-eight".