22543120351 has 16 divisors (see below), whose sum is σ = 24638872896. Its totient is φ = 20538717696.

The previous prime is 22543120339. The next prime is 22543120409. The reversal of 22543120351 is 15302134522.

It is a cyclic number.

It is not a de Polignac number, because 22543120351 - 2⁹ = 22543119839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22543120151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32950 + ... + 214876.

It is an arithmetic number, because the mean of its divisors is an integer number (1539929556).

Almost surely, 2^22543120351 is an apocalyptic number.

22543120351 is a deficient number, since it is larger than the sum of its proper divisors (2095752545).

22543120351 is a wasteful number, since it uses less digits than its factorization.

22543120351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182178.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22543120351 its reverse (15302134522), we get a palindrome (37845254873).

The spelling of 22543120351 in words is "twenty-two billion, five hundred forty-three million, one hundred twenty thousand, three hundred fifty-one".