20222127 has 6 divisors (see below), whose sum is σ = 29209752. Its totient is φ = 13481412.

The previous prime is 20222123. The next prime is 20222161. The reversal of 20222127 is 72122202.

It is a happy number.

It is not a de Polignac number, because 20222127 - 2² = 20222123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123443 + ... + 1123460.

It is an arithmetic number, because the mean of its divisors is an integer number (4868292).

Almost surely, 2^20222127 is an apocalyptic number.

20222127 is a deficient number, since it is larger than the sum of its proper divisors (8987625).

20222127 is a wasteful number, since it uses less digits than its factorization.

20222127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246909 (or 2246906 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 20222127 is about 4496.9019335538. The cubic root of 20222127 is about 272.4429732251.

Adding to 20222127 its reverse (72122202), we get a palindrome (92344329).

The spelling of 20222127 in words is "twenty million, two hundred twenty-two thousand, one hundred twenty-seven".