20222329 has 2 divisors, whose sum is σ = 20222330. Its totient is φ = 20222328.

The previous prime is 20222297. The next prime is 20222351. The reversal of 20222329 is 92322202.

It is an a-pointer prime, because the next prime (20222351) can be obtained adding 20222329 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 906304 = 4395^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222329 - 2⁵ = 20222297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111164 + 10111165.

It is an arithmetic number, because the mean of its divisors is an integer number (10111165).

Almost surely, 2^20222329 is an apocalyptic number.

It is an amenable number.

20222329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222329 is an equidigital number, since it uses as much as digits as its factorization.

20222329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20222329 is about 4496.9243934049. The cubic root of 20222329 is about 272.4438803716.

The spelling of 20222329 in words is "twenty million, two hundred twenty-two thousand, three hundred twenty-nine".