1222287722880 has 512 divisors, whose sum is σ = 4612654771200. Its totient is φ = 269492551680.

The previous prime is 1222287722867. The next prime is 1222287722899. The reversal of 1222287722880 is 882277822221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49030099 + ... + 49055021.

It is an arithmetic number, because the mean of its divisors is an integer number (9009091350).

Almost surely, 2^{1222287722880} is an apocalyptic number.

1222287722880 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 1222287722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2306327385600).

1222287722880 is an abundant number, since it is smaller than the sum of its proper divisors (3390367048320).

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

1222287722880 is a wasteful number, since it uses less digits than its factorization.

1222287722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25082 (or 25070 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 1222287722880 in words is "one trillion, two hundred twenty-two billion, two hundred eighty-seven million, seven hundred twenty-two thousand, eight hundred eighty".