22234440500040 has 64 divisors (see below), whose sum is σ = 66719292197760. Its totient is φ = 5927764515840.

The previous prime is 22234440500033. The next prime is 22234440500057. The reversal of 22234440500040 is 4000504443222.

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 = 22234440499980 and 22234440500007.

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, 21678196 + ... + 22680675.

It is an arithmetic number, because the mean of its divisors is an integer number (1042488940590).

Almost surely, 2^{22234440500040} is an apocalyptic number.

22234440500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22234440500040 is an abundant number, since it is smaller than the sum of its proper divisors (44484851697720).

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

22234440500040 is a wasteful number, since it uses less digits than its factorization.

22234440500040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44363062 (or 44363058 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22234440500040 its reverse (4000504443222), we get a palindrome (26234944943262).

The spelling of 22234440500040 in words is "twenty-two trillion, two hundred thirty-four billion, four hundred forty million, five hundred thousand, forty".