22000024002440 has 64 divisors (see below), whose sum is σ = 54003502120320. Its totient is φ = 7999498624000.

The previous prime is 22000024002403. The next prime is 22000024002479. The reversal of 22000024002440 is 4420042000022.

It is a super-2 number, since 2×22000024002440² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5348645 + ... + 8521035.

It is an arithmetic number, because the mean of its divisors is an integer number (843804720630).

Almost surely, 2^{22000024002440} is an apocalyptic number.

22000024002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000024002440 is an abundant number, since it is smaller than the sum of its proper divisors (32003478117880).

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

22000024002440 is a wasteful number, since it uses less digits than its factorization.

22000024002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188174 (or 3188170 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22000024002440 its reverse (4420042000022), we get a palindrome (26420066002462).

The spelling of 22000024002440 in words is "twenty-two trillion, twenty-four million, two thousand, four hundred forty".