1022221757880 has 192 divisors, whose sum is σ = 3522810152160. Its totient is φ = 256180936704.

The previous prime is 1022221757839. The next prime is 1022221757941. The reversal of 1022221757880 is 887571222201.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 4057684 + ... + 4302236.

Almost surely, 2^{1022221757880} is an apocalyptic number.

1022221757880 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 1022221757880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761405076080).

1022221757880 is an abundant number, since it is smaller than the sum of its proper divisors (2500588394280).

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

1022221757880 is a wasteful number, since it uses less digits than its factorization.

1022221757880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245270 (or 245263 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 1022221757880 in words is "one trillion, twenty-two billion, two hundred twenty-one million, seven hundred fifty-seven thousand, eight hundred eighty".