22040242422044 has 72 divisors (see below), whose sum is σ = 48948495653232. Its totient is φ = 8586759498240.

The previous prime is 22040242422017. The next prime is 22040242422047. The reversal of 22040242422044 is 44022424204022.

It is a self number, because there is not a number n which added to its sum of digits gives 22040242422044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040242422047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56631764 + ... + 57019620.

It is an arithmetic number, because the mean of its divisors is an integer number (679840217406).

Almost surely, 2^{22040242422044} is an apocalyptic number.

It is an amenable number.

22040242422044 is an abundant number, since it is smaller than the sum of its proper divisors (26908253231188).

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

22040242422044 is a wasteful number, since it uses less digits than its factorization.

22040242422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414243 (or 414234 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22040242422044 its reverse (44022424204022), we get a palindrome (66062666626066).

The spelling of 22040242422044 in words is "twenty-two trillion, forty billion, two hundred forty-two million, four hundred twenty-two thousand, forty-four".