22106216506 has 8 divisors (see below), whose sum is σ = 36173808864. Its totient is φ = 10048280220.

The previous prime is 22106216491. The next prime is 22106216513. The reversal of 22106216506 is 60561260122.

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

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, 502413990 + ... + 502414033.

It is an arithmetic number, because the mean of its divisors is an integer number (4521726108).

Almost surely, 2^22106216506 is an apocalyptic number.

22106216506 is a deficient number, since it is larger than the sum of its proper divisors (14067592358).

22106216506 is a wasteful number, since it uses less digits than its factorization.

22106216506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004828036.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 22106216506 its reverse (60561260122), we get a palindrome (82667476628).

The spelling of 22106216506 in words is "twenty-two billion, one hundred six million, two hundred sixteen thousand, five hundred six".