1022122343540 has 24 divisors (see below), whose sum is σ = 2146876940040. Its totient is φ = 408768933888.

The previous prime is 1022122343519. The next prime is 1022122343581. The reversal of 1022122343540 is 453432212201.

It can be written as a sum of positive squares in 4 ways, for example, as 11703345124 + 1010418998416 = 108182^2 + 1005196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895405 + ... + 5099924.

It is an arithmetic number, because the mean of its divisors is an integer number (89453205835).

Almost surely, 2^{1022122343540} is an apocalyptic number.

1022122343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022122343540 is an abundant number, since it is smaller than the sum of its proper divisors (1124754596500).

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

1022122343540 is a wasteful number, since it uses less digits than its factorization.

1022122343540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000451 (or 10000449 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1022122343540 its reverse (453432212201), we get a palindrome (1475554555741).

The spelling of 1022122343540 in words is "one trillion, twenty-two billion, one hundred twenty-two million, three hundred forty-three thousand, five hundred forty".