22333352240 has 20 divisors (see below), whose sum is σ = 51925044144. Its totient is φ = 8933340864.

The previous prime is 22333352231. The next prime is 22333352281. The reversal of 22333352240 is 4225333322.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139583372 + ... + 139583531.

Almost surely, 2^22333352240 is an apocalyptic number.

22333352240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22333352240 is an abundant number, since it is smaller than the sum of its proper divisors (29591691904).

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

22333352240 is a wasteful number, since it uses less digits than its factorization.

22333352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279166916 (or 279166910 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 22333352240 its reverse (4225333322), we get a palindrome (26558685562).

The spelling of 22333352240 in words is "twenty-two billion, three hundred thirty-three million, three hundred fifty-two thousand, two hundred forty".