22450241442523 has 4 divisors (see below), whose sum is σ = 22463195997888. Its totient is φ = 22437286887160.

The previous prime is 22450241442509. The next prime is 22450241442539. The reversal of 22450241442523 is 32524414205422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22450241442523 - 2²¹ = 22450239345371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22450241445523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477275083 + ... + 6477278548.

It is an arithmetic number, because the mean of its divisors is an integer number (5615798999472).

Almost surely, 2^{22450241442523} is an apocalyptic number.

22450241442523 is a deficient number, since it is larger than the sum of its proper divisors (12954555365).

22450241442523 is a wasteful number, since it uses less digits than its factorization.

22450241442523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954555364.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 22450241442523 its reverse (32524414205422), we get a palindrome (54974655647945).

It can be divided in two parts, 224502 and 41442523, that added together give a square (41667025 = 6455²).

The spelling of 22450241442523 in words is "twenty-two trillion, four hundred fifty billion, two hundred forty-one million, four hundred forty-two thousand, five hundred twenty-three".