22442200240 has 20 divisors (see below), whose sum is σ = 52178115744. Its totient is φ = 8976880064.

The previous prime is 22442200213. The next prime is 22442200243. The reversal of 22442200240 is 4200224422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×22442200240² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22442200243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140263672 + ... + 140263831.

Almost surely, 2^22442200240 is an apocalyptic number.

22442200240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442200240 is an abundant number, since it is smaller than the sum of its proper divisors (29735915504).

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

22442200240 is a wasteful number, since it uses less digits than its factorization.

22442200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280527516 (or 280527510 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22442200240 its reverse (4200224422), we get a palindrome (26642424662).

The spelling of 22442200240 in words is "twenty-two billion, four hundred forty-two million, two hundred thousand, two hundred forty".