22509106 has 8 divisors (see below), whose sum is σ = 33849900. Its totient is φ = 11225808.

The previous prime is 22509101. The next prime is 22509107. The reversal of 22509106 is 60190522.

It can be written as a sum of positive squares in 2 ways, for example, as 21538881 + 970225 = 4641^2 + 985^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22509101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13381 + ... + 14968.

Almost surely, 2^22509106 is an apocalyptic number.

22509106 is a deficient number, since it is larger than the sum of its proper divisors (11340794).

22509106 is a wasteful number, since it uses less digits than its factorization.

22509106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28748.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 22509106 is about 4744.3762498352. The cubic root of 22509106 is about 282.3488883014.

Adding to 22509106 its reverse (60190522), we get a palindrome (82699628).

The spelling of 22509106 in words is "twenty-two million, five hundred nine thousand, one hundred six".