22043407 has 8 divisors (see below), whose sum is σ = 24355296. Its totient is φ = 19844352.

The previous prime is 22043377. The next prime is 22043419. The reversal of 22043407 is 70434022.

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

It is a cyclic number.

It is not a de Polignac number, because 22043407 - 2⁷ = 22043279 is a prime.

It is a super-4 number, since 4×22043407⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22043107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27798 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (3044412).

Almost surely, 2^22043407 is an apocalyptic number.

22043407 is a deficient number, since it is larger than the sum of its proper divisors (2311889).

22043407 is a wasteful number, since it uses less digits than its factorization.

22043407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56417.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22043407 is about 4695.0406813999. The cubic root of 22043407 is about 280.3880970295.

Adding to 22043407 its reverse (70434022), we get a palindrome (92477429).

The spelling of 22043407 in words is "twenty-two million, forty-three thousand, four hundred seven".