22041724243447 has 16 divisors (see below), whose sum is σ = 22690306245600. Its totient is φ = 21401783949312.

The previous prime is 22041724243333. The next prime is 22041724243471. The reversal of 22041724243447 is 74434242714022.

It is a cyclic number.

It is not a de Polignac number, because 22041724243447 - 2³⁵ = 22007364505079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22041724243397 and 22041724243406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041724244447) 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, 109315179 + ... + 109516627.

It is an arithmetic number, because the mean of its divisors is an integer number (1418144140350).

Almost surely, 2^{22041724243447} is an apocalyptic number.

22041724243447 is a deficient number, since it is larger than the sum of its proper divisors (648582002153).

22041724243447 is a wasteful number, since it uses less digits than its factorization.

22041724243447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222882.

The product of its (nonzero) digits is 2408448, while the sum is 46.

Adding to 22041724243447 its reverse (74434242714022), we get a palindrome (96475966957469).

The spelling of 22041724243447 in words is "twenty-two trillion, forty-one billion, seven hundred twenty-four million, two hundred forty-three thousand, four hundred forty-seven".