1022122452540 has 48 divisors (see below), whose sum is σ = 3270791849472. Its totient is φ = 233627989056.

The previous prime is 1022122452539. The next prime is 1022122452553. The reversal of 1022122452540 is 452542212201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1022122452498 and 1022122452507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216812024 + ... + 1216812863.

It is an arithmetic number, because the mean of its divisors is an integer number (68141496864).

Almost surely, 2^{1022122452540} is an apocalyptic number.

1022122452540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022122452540 is an abundant number, since it is smaller than the sum of its proper divisors (2248669396932).

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

1022122452540 is a wasteful number, since it uses less digits than its factorization.

1022122452540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433624906 (or 2433624904 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 1022122452540 its reverse (452542212201), we get a palindrome (1474664664741).

The spelling of 1022122452540 in words is "one trillion, twenty-two billion, one hundred twenty-two million, four hundred fifty-two thousand, five hundred forty".