22105711452 has 48 divisors (see below), whose sum is σ = 56368166400. Its totient is φ = 6686904960.

The previous prime is 22105711429. The next prime is 22105711469. The reversal of 22105711452 is 25411750122.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 72052 + ... + 222267.

It is an arithmetic number, because the mean of its divisors is an integer number (1174336800).

Almost surely, 2^22105711452 is an apocalyptic number.

22105711452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22105711452 is an abundant number, since it is smaller than the sum of its proper divisors (34262454948).

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

22105711452 is a wasteful number, since it uses less digits than its factorization.

22105711452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294906 (or 294904 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 22105711452 in words is "twenty-two billion, one hundred five million, seven hundred eleven thousand, four hundred fifty-two".