22540445222 has 8 divisors (see below), whose sum is σ = 34138927056. Its totient is φ = 11160802872.

The previous prime is 22540445219. The next prime is 22540445261. The reversal of 22540445222 is 22254404522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54709613 + ... + 54710024.

It is an arithmetic number, because the mean of its divisors is an integer number (4267365882).

Almost surely, 2^22540445222 is an apocalyptic number.

22540445222 is a deficient number, since it is larger than the sum of its proper divisors (11598481834).

22540445222 is a wasteful number, since it uses less digits than its factorization.

22540445222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109419742.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 22540445222 its reverse (22254404522), we get a palindrome (44794849744).

The spelling of 22540445222 in words is "twenty-two billion, five hundred forty million, four hundred forty-five thousand, two hundred twenty-two".