20225452229 has 2 divisors, whose sum is σ = 20225452230. Its totient is φ = 20225452228.

The previous prime is 20225452141. The next prime is 20225452259. The reversal of 20225452229 is 92225452202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17708423329 + 2517028900 = 133073^2 + 50170^2 .

It is a cyclic number.

It is not a de Polignac number, because 20225452229 - 2²⁰ = 20224403653 is a prime.

It is a super-2 number, since 2×20225452229² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20225452259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112726114 + 10112726115.

It is an arithmetic number, because the mean of its divisors is an integer number (10112726115).

Almost surely, 2^20225452229 is an apocalyptic number.

It is an amenable number.

20225452229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20225452229 is an equidigital number, since it uses as much as digits as its factorization.

20225452229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20225452229 in words is "twenty billion, two hundred twenty-five million, four hundred fifty-two thousand, two hundred twenty-nine".