20222227 has 2 divisors, whose sum is σ = 20222228. Its totient is φ = 20222226.

The previous prime is 20222219. The next prime is 20222233. The reversal of 20222227 is 72222202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20222227 - 2³ = 20222219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111113 + 10111114.

It is an arithmetic number, because the mean of its divisors is an integer number (10111114).

Almost surely, 2^20222227 is an apocalyptic number.

20222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222227 is an equidigital number, since it uses as much as digits as its factorization.

20222227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 20222227 is about 4496.9130523060. The cubic root of 20222227 is about 272.4434223083.

Adding to 20222227 its reverse (72222202), we get a palindrome (92444429).

It can be divided in two parts, 20222 and 227, that added together give a square (20449 = 143²).

The spelling of 20222227 in words is "twenty million, two hundred twenty-two thousand, two hundred twenty-seven".