22507106 has 4 divisors (see below), whose sum is σ = 33760662. Its totient is φ = 11253552.

The previous prime is 22507061. The next prime is 22507117. The reversal of 22507106 is 60170522.

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., 17147881 + 5359225 = 4141^2 + 2315^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626775 + ... + 5626778.

Almost surely, 2^22507106 is an apocalyptic number.

22507106 is a deficient number, since it is larger than the sum of its proper divisors (11253556).

22507106 is a wasteful number, since it uses less digits than its factorization.

22507106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253555.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22507106 is about 4744.1654692896. The cubic root of 22507106 is about 282.3405255451.

Adding to 22507106 its reverse (60170522), we get a palindrome (82677628).

The spelling of 22507106 in words is "twenty-two million, five hundred seven thousand, one hundred six".