22428800802440 has 32 divisors (see below), whose sum is σ = 52658923625280. Its totient is φ = 8581454219712.

The previous prime is 22428800802439. The next prime is 22428800802469. The reversal of 22428800802440 is 4420800882422.

It is a super-2 number, since 2×22428800802440² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22428800802391 and 22428800802400.

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, 12189564734 + ... + 12189566573.

It is an arithmetic number, because the mean of its divisors is an integer number (1645591363290).

Almost surely, 2^{22428800802440} is an apocalyptic number.

22428800802440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22428800802440 is an abundant number, since it is smaller than the sum of its proper divisors (30230122822840).

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

22428800802440 is a wasteful number, since it uses less digits than its factorization.

22428800802440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24379131341 (or 24379131337 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 22428800802440 in words is "twenty-two trillion, four hundred twenty-eight billion, eight hundred million, eight hundred two thousand, four hundred forty".