21442023415022 has 8 divisors (see below), whose sum is σ = 36757754425776. Its totient is φ = 9189438606432.

The previous prime is 21442023415009. The next prime is 21442023415129. The reversal of 21442023415022 is 22051432024412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21442023415022² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21442023415022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765786550523 + ... + 765786550550.

It is an arithmetic number, because the mean of its divisors is an integer number (4594719303222).

Almost surely, 2^{21442023415022} is an apocalyptic number.

21442023415022 is a deficient number, since it is larger than the sum of its proper divisors (15315731010754).

21442023415022 is a wasteful number, since it uses less digits than its factorization.

21442023415022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531573101082.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 21442023415022 its reverse (22051432024412), we get a palindrome (43493455439434).

The spelling of 21442023415022 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred fifteen thousand, twenty-two".