22242503221523 has 16 divisors (see below), whose sum is σ = 24000362874432. Its totient is φ = 20491346304000.

The previous prime is 22242503221513. The next prime is 22242503221573. The reversal of 22242503221523 is 32512230524222.

It is not a de Polignac number, because 22242503221523 - 2¹² = 22242503217427 is a prime.

It is a super-2 number, since 2×22242503221523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22242503221513) 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 15 ways as a sum of consecutive naturals, for example, 248666618 + ... + 248756048.

It is an arithmetic number, because the mean of its divisors is an integer number (1500022679652).

Almost surely, 2^{22242503221523} is an apocalyptic number.

22242503221523 is a deficient number, since it is larger than the sum of its proper divisors (1757859652909).

22242503221523 is a wasteful number, since it uses less digits than its factorization.

22242503221523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126686.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22242503221523 its reverse (32512230524222), we get a palindrome (54754733745745).

The spelling of 22242503221523 in words is "twenty-two trillion, two hundred forty-two billion, five hundred three million, two hundred twenty-one thousand, five hundred twenty-three".