22421432261423 has 16 divisors (see below), whose sum is σ = 24963590486016. Its totient is φ = 19998113937120.

The previous prime is 22421432261357. The next prime is 22421432261453. The reversal of 22421432261423 is 32416223412422.

It is a cyclic number.

It is not a de Polignac number, because 22421432261423 - 2²⁸ = 22421163825967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421432261453) 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, 42734861 + ... + 43256342.

It is an arithmetic number, because the mean of its divisors is an integer number (1560224405376).

Almost surely, 2^{22421432261423} is an apocalyptic number.

22421432261423 is a deficient number, since it is larger than the sum of its proper divisors (2542158224593).

22421432261423 is a wasteful number, since it uses less digits than its factorization.

22421432261423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85991894.

The product of its digits is 221184, while the sum is 38.

Adding to 22421432261423 its reverse (32416223412422), we get a palindrome (54837655673845).

The spelling of 22421432261423 in words is "twenty-two trillion, four hundred twenty-one billion, four hundred thirty-two million, two hundred sixty-one thousand, four hundred twenty-three".