200122427 has 2 divisors, whose sum is σ = 200122428. Its totient is φ = 200122426.

The previous prime is 200122399. The next prime is 200122451. The reversal of 200122427 is 724221002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200122427 - 2¹⁰ = 200121403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200122399 and 200122408.

It is not a weakly prime, because it can be changed into another prime (200122457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061213 + 100061214.

It is an arithmetic number, because the mean of its divisors is an integer number (100061214).

Almost surely, 2^200122427 is an apocalyptic number.

200122427 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122427 is an equidigital number, since it uses as much as digits as its factorization.

200122427 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 20.

The square root of 200122427 is about 14146.4634096300. The cubic root of 200122427 is about 584.9228495428.

Adding to 200122427 its reverse (724221002), we get a palindrome (924343429).

The spelling of 200122427 in words is "two hundred million, one hundred twenty-two thousand, four hundred twenty-seven".