22022214606546 has 384 divisors, whose sum is σ = 58114417655808. Its totient is φ = 5495563584000.

The previous prime is 22022214606527. The next prime is 22022214606551. The reversal of 22022214606546 is 64560641222022.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22022214606498 and 22022214606507.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8612519100 + ... + 8612521656.

It is an arithmetic number, because the mean of its divisors is an integer number (151339629312).

Almost surely, 2^{22022214606546} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022214606546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29057208827904).

22022214606546 is an abundant number, since it is smaller than the sum of its proper divisors (36092203049262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022214606546 is a wasteful number, since it uses less digits than its factorization.

22022214606546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3199 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 22022214606546 its reverse (64560641222022), we get a palindrome (86582855828568).

The spelling of 22022214606546 in words is "twenty-two trillion, twenty-two billion, two hundred fourteen million, six hundred six thousand, five hundred forty-six".