1022353977918 has 384 divisors, whose sum is σ = 2662231670784. Its totient is φ = 255977280000.

The previous prime is 1022353977917. The next prime is 1022353977961. The reversal of 1022353977918 is 8197793532201.

1022353977918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022353977918² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022353977917) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4073123293 + ... + 4073123543.

It is an arithmetic number, because the mean of its divisors is an integer number (6932894976).

Almost surely, 2^{1022353977918} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022353977918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331115835392).

1022353977918 is an abundant number, since it is smaller than the sum of its proper divisors (1639877692866).

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

1022353977918 is a wasteful number, since it uses less digits than its factorization.

1022353977918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 1022353977918 in words is "one trillion, twenty-two billion, three hundred fifty-three million, nine hundred seventy-seven thousand, nine hundred eighteen".