22501222044243 has 8 divisors (see below), whose sum is σ = 30002315836368. Its totient is φ = 15000471474144.

The previous prime is 22501222044233. The next prime is 22501222044251. The reversal of 22501222044243 is 34244022210522.

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

It is not a de Polignac number, because 22501222044243 - 2²⁴ = 22501205267027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22501222044233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85652496 + ... + 85914797.

It is an arithmetic number, because the mean of its divisors is an integer number (3750289479546).

Almost surely, 2^{22501222044243} is an apocalyptic number.

22501222044243 is a deficient number, since it is larger than the sum of its proper divisors (7501093792125).

22501222044243 is a wasteful number, since it uses less digits than its factorization.

22501222044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171611013.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22501222044243 its reverse (34244022210522), we get a palindrome (56745244254765).

The spelling of 22501222044243 in words is "twenty-two trillion, five hundred one billion, two hundred twenty-two million, forty-four thousand, two hundred forty-three".