22217106 has 16 divisors (see below), whose sum is σ = 44519904. Its totient is φ = 7391424.

The previous prime is 22217101. The next prime is 22217119. The reversal of 22217106 is 60171222.

It is not an unprimeable number, because it can be changed into a prime (22217101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (2782494).

Almost surely, 2^22217106 is an apocalyptic number.

22217106 is an abundant number, since it is smaller than the sum of its proper divisors (22302798).

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

22217106 is a wasteful number, since it uses less digits than its factorization.

22217106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22217106 is about 4713.5025193586. The cubic root of 22217106 is about 281.1226441665.

Adding to 22217106 its reverse (60171222), we get a palindrome (82388328).

The spelling of 22217106 in words is "twenty-two million, two hundred seventeen thousand, one hundred six".