22420243443 has 8 divisors (see below), whose sum is σ = 32193170128. Its totient is φ = 13797072864.

The previous prime is 22420243441. The next prime is 22420243457. The reversal of 22420243443 is 34434202422.

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

It is not a de Polignac number, because 22420243443 - 2¹ = 22420243441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22420243443.

It is not an unprimeable number, because it can be changed into a prime (22420243441) 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, 287438980 + ... + 287439057.

It is an arithmetic number, because the mean of its divisors is an integer number (4024146266).

Almost surely, 2^22420243443 is an apocalyptic number.

22420243443 is a deficient number, since it is larger than the sum of its proper divisors (9772926685).

22420243443 is a wasteful number, since it uses less digits than its factorization.

22420243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574878053.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 22420243443 its reverse (34434202422), we get a palindrome (56854445865).

The spelling of 22420243443 in words is "twenty-two billion, four hundred twenty million, two hundred forty-three thousand, four hundred forty-three".