22422442400240 has 40 divisors (see below), whose sum is σ = 52161351928560. Its totient is φ = 8963957889536.

The previous prime is 22422442400177. The next prime is 22422442400243. The reversal of 22422442400240 is 4200424422422.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 22422442400197 and 22422442400206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422442400243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78279125 + ... + 78565044.

It is an arithmetic number, because the mean of its divisors is an integer number (1304033798214).

Almost surely, 2^{22422442400240} is an apocalyptic number.

22422442400240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422442400240 is an abundant number, since it is smaller than the sum of its proper divisors (29738909528320).

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

22422442400240 is a wasteful number, since it uses less digits than its factorization.

22422442400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156845969 (or 156845963 counting only the distinct ones).

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

Adding to 22422442400240 its reverse (4200424422422), we get a palindrome (26622866822662).

The spelling of 22422442400240 in words is "twenty-two trillion, four hundred twenty-two billion, four hundred forty-two million, four hundred thousand, two hundred forty".