22541144451 has 32 divisors (see below), whose sum is σ = 35206617600. Its totient is φ = 12559192320.

The previous prime is 22541144449. The next prime is 22541144459. The reversal of 22541144451 is 15444114522.

It is not a de Polignac number, because 22541144451 - 2¹ = 22541144449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22541144459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697305 + ... + 1710533.

It is an arithmetic number, because the mean of its divisors is an integer number (1100206800).

Almost surely, 2^22541144451 is an apocalyptic number.

22541144451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22541144451 is a deficient number, since it is larger than the sum of its proper divisors (12665473149).

22541144451 is a wasteful number, since it uses less digits than its factorization.

22541144451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259.

The product of its digits is 25600, while the sum is 33.

Adding to 22541144451 its reverse (15444114522), we get a palindrome (37985258973).

The spelling of 22541144451 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, four hundred fifty-one".