22742107 has 16 divisors (see below), whose sum is σ = 25552800. Its totient is φ = 20113920.

The previous prime is 22742059. The next prime is 22742113. The reversal of 22742107 is 70124722.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22742107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22742117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58269 + ... + 58657.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^22742107 is an apocalyptic number.

22742107 is a deficient number, since it is larger than the sum of its proper divisors (2810693).

22742107 is a wasteful number, since it uses less digits than its factorization.

22742107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 22742107 is about 4768.8685240841. The cubic root of 22742107 is about 283.3197823584.

Adding to 22742107 its reverse (70124722), we get a palindrome (92866829).

The spelling of 22742107 in words is "twenty-two million, seven hundred forty-two thousand, one hundred seven".