1022122110440 has 16 divisors (see below), whose sum is σ = 2299774748580. Its totient is φ = 408848844160.

The previous prime is 1022122110439. The next prime is 1022122110463. The reversal of 1022122110440 is 440112212201.

It can be written as a sum of positive squares in 2 ways, for example, as 977515825636 + 44606284804 = 988694^2 + 211202^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12776526341 + ... + 12776526420.

Almost surely, 2^{1022122110440} is an apocalyptic number.

1022122110440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022122110440 is an abundant number, since it is smaller than the sum of its proper divisors (1277652638140).

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

1022122110440 is a wasteful number, since it uses less digits than its factorization.

1022122110440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553052772 (or 25553052768 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1022122110440 its reverse (440112212201), we get a palindrome (1462234322641).

The spelling of 1022122110440 in words is "one trillion, twenty-two billion, one hundred twenty-two million, one hundred ten thousand, four hundred forty".