22543325221355 has 16 divisors (see below), whose sum is σ = 27110522245824. Its totient is φ = 17995673266560.

The previous prime is 22543325221309. The next prime is 22543325221421. The reversal of 22543325221355 is 55312252334522.

It is not a de Polignac number, because 22543325221355 - 2¹⁴ = 22543325204971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094469 + ... + 7393401.

It is an arithmetic number, because the mean of its divisors is an integer number (1694407640364).

Almost surely, 2^{22543325221355} is an apocalyptic number.

22543325221355 is a deficient number, since it is larger than the sum of its proper divisors (4567197024469).

22543325221355 is a wasteful number, since it uses less digits than its factorization.

22543325221355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301206.

The product of its digits is 2160000, while the sum is 44.

Adding to 22543325221355 its reverse (55312252334522), we get a palindrome (77855577555877).

The spelling of 22543325221355 in words is "twenty-two trillion, five hundred forty-three billion, three hundred twenty-five million, two hundred twenty-one thousand, three hundred fifty-five".