22424140230021 has 16 divisors (see below), whose sum is σ = 33325746446400. Its totient is φ = 14902267739184.

The previous prime is 22424140229993. The next prime is 22424140230043. The reversal of 22424140230021 is 12003204142422.

It is a happy number.

22424140230021 is a `hidden beast` number, since 2 + 2 + 424 + 1 + 4 + 0 + 230 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 22424140230021 - 2⁶ = 22424140229957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424140230421) 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, 1309965751 + ... + 1309982868.

It is an arithmetic number, because the mean of its divisors is an integer number (2082859152900).

Almost surely, 2^{22424140230021} is an apocalyptic number.

It is an amenable number.

22424140230021 is a deficient number, since it is larger than the sum of its proper divisors (10901606216379).

22424140230021 is a wasteful number, since it uses less digits than its factorization.

22424140230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619948945 (or 2619948939 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22424140230021 its reverse (12003204142422), we get a palindrome (34427344372443).

The spelling of 22424140230021 in words is "twenty-two trillion, four hundred twenty-four billion, one hundred forty million, two hundred thirty thousand, twenty-one".