222450240040 has 64 divisors (see below), whose sum is σ = 572096131200. Its totient is φ = 76257823488.

The previous prime is 222450240007. The next prime is 222450240043. The reversal of 222450240040 is 40042054222.

It is a junction number, because it is equal to n+sod(n) for n = 222450239987 and 222450240014.

It is not an unprimeable number, because it can be changed into a prime (222450240043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060526 + ... + 2165794.

It is an arithmetic number, because the mean of its divisors is an integer number (8939002050).

Almost surely, 2^222450240040 is an apocalyptic number.

222450240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222450240040 is an abundant number, since it is smaller than the sum of its proper divisors (349645891160).

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

222450240040 is a wasteful number, since it uses less digits than its factorization.

222450240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112834 (or 112830 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 222450240040 its reverse (40042054222), we get a palindrome (262492294262).

The spelling of 222450240040 in words is "two hundred twenty-two billion, four hundred fifty million, two hundred forty thousand, forty".