22113407 has 4 divisors (see below), whose sum is σ = 22229376. Its totient is φ = 21997440.

The previous prime is 22113401. The next prime is 22113409. The reversal of 22113407 is 70431122.

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

It is a cyclic number.

It is not a de Polignac number, because 22113407 - 2⁸ = 22113151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113401) 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, 57698 + ... + 58079.

It is an arithmetic number, because the mean of its divisors is an integer number (5557344).

Almost surely, 2^22113407 is an apocalyptic number.

22113407 is a deficient number, since it is larger than the sum of its proper divisors (115969).

22113407 is a wasteful number, since it uses less digits than its factorization.

22113407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115968.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 22113407 is about 4702.4894470908. The cubic root of 22113407 is about 280.6845791426.

Adding to 22113407 its reverse (70431122), we get a palindrome (92544529).

The spelling of 22113407 in words is "twenty-two million, one hundred thirteen thousand, four hundred seven".