22142127 has 16 divisors (see below), whose sum is σ = 33824000. Its totient is φ = 12621312.

The previous prime is 22142117. The next prime is 22142147. The reversal of 22142127 is 72124122.

It is not a de Polignac number, because 22142127 - 2⁴ = 22142111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142117) 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, 9423 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (2114000).

Almost surely, 2^22142127 is an apocalyptic number.

22142127 is a deficient number, since it is larger than the sum of its proper divisors (11681873).

22142127 is a wasteful number, since it uses less digits than its factorization.

22142127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622.

The product of its digits is 448, while the sum is 21.

The square root of 22142127 is about 4705.5421579240. The cubic root of 22142127 is about 280.8060405069.

Adding to 22142127 its reverse (72124122), we get a palindrome (94266249).

The spelling of 22142127 in words is "twenty-two million, one hundred forty-two thousand, one hundred twenty-seven".