22127407 has 8 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 21879000.

The previous prime is 22127401. The next prime is 22127429. The reversal of 22127407 is 70472122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22127407 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 (22127401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49728 + ... + 50170.

It is an arithmetic number, because the mean of its divisors is an integer number (2797200).

Almost surely, 2^22127407 is an apocalyptic number.

22127407 is a deficient number, since it is larger than the sum of its proper divisors (250193).

22127407 is a wasteful number, since it uses less digits than its factorization.

22127407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

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

The square root of 22127407 is about 4703.9777848115. The cubic root of 22127407 is about 280.7438004576.

Adding to 22127407 its reverse (70472122), we get a palindrome (92599529).

The spelling of 22127407 in words is "twenty-two million, one hundred twenty-seven thousand, four hundred seven".