22122240443 has 8 divisors (see below), whose sum is σ = 23088820128. Its totient is φ = 21156056064.

The previous prime is 22122240409. The next prime is 22122240571. The reversal of 22122240443 is 34404222122.

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

It is a cyclic number.

It is not a de Polignac number, because 22122240443 - 2¹² = 22122236347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122243443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18521 + ... + 211157.

It is an arithmetic number, because the mean of its divisors is an integer number (2886102516).

Almost surely, 2^22122240443 is an apocalyptic number.

22122240443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22122240443 is a deficient number, since it is larger than the sum of its proper divisors (966579685).

22122240443 is a wasteful number, since it uses less digits than its factorization.

22122240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197653.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22122240443 its reverse (34404222122), we get a palindrome (56526462565).

The spelling of 22122240443 in words is "twenty-two billion, one hundred twenty-two million, two hundred forty thousand, four hundred forty-three".