22215106 has 4 divisors (see below), whose sum is σ = 33322662. Its totient is φ = 11107552.

The previous prime is 22215101. The next prime is 22215157. The reversal of 22215106 is 60151222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 10621081 = 3405^2 + 3259^2 .

It is not an unprimeable number, because it can be changed into a prime (22215101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553775 + ... + 5553778.

Almost surely, 2^22215106 is an apocalyptic number.

22215106 is a deficient number, since it is larger than the sum of its proper divisors (11107556).

22215106 is a wasteful number, since it uses less digits than its factorization.

22215106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107555.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 22215106 is about 4713.2903581256. The cubic root of 22215106 is about 281.1142082919.

Adding to 22215106 its reverse (60151222), we get a palindrome (82366328).

The spelling of 22215106 in words is "twenty-two million, two hundred fifteen thousand, one hundred six".