22106913 has 16 divisors (see below), whose sum is σ = 30385152. Its totient is φ = 14288000.

The previous prime is 22106911. The next prime is 22106921. The reversal of 22106913 is 31960122.

It is a cyclic number.

It is not a de Polignac number, because 22106913 - 2¹ = 22106911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22106911) 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, 23023 + ... + 23963.

It is an arithmetic number, because the mean of its divisors is an integer number (1899072).

Almost surely, 2^22106913 is an apocalyptic number.

It is an amenable number.

22106913 is a deficient number, since it is larger than the sum of its proper divisors (8278239).

22106913 is a wasteful number, since it uses less digits than its factorization.

22106913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 22106913 is about 4701.7989110552. The cubic root of 22106913 is about 280.6571004263.

The spelling of 22106913 in words is "twenty-two million, one hundred six thousand, nine hundred thirteen".