22022330240 has 64 divisors (see below), whose sum is σ = 53281564560. Its totient is φ = 8702779392.

The previous prime is 22022330177. The next prime is 22022330263. The reversal of 22022330240 is 4203322022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154169 + ... + 260408.

Almost surely, 2^22022330240 is an apocalyptic number.

22022330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022330240 is an abundant number, since it is smaller than the sum of its proper divisors (31259234320).

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

22022330240 is an equidigital number, since it uses as much as digits as its factorization.

22022330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414679 (or 414667 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22022330240 its reverse (4203322022), we get a palindrome (26225652262).

The spelling of 22022330240 in words is "twenty-two billion, twenty-two million, three hundred thirty thousand, two hundred forty".