201422399 has 2 divisors, whose sum is σ = 201422400. Its totient is φ = 201422398.

The previous prime is 201422369. The next prime is 201422423. The reversal of 201422399 is 993224102.

201422399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201422399 - 2²⁴ = 184645183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201422329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100711199 + 100711200.

It is an arithmetic number, because the mean of its divisors is an integer number (100711200).

Almost surely, 2^201422399 is an apocalyptic number.

201422399 is a deficient number, since it is larger than the sum of its proper divisors (1).

201422399 is an equidigital number, since it uses as much as digits as its factorization.

201422399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 201422399 is about 14192.3359247166. The cubic root of 201422399 is about 586.1866472427.

The spelling of 201422399 in words is "two hundred one million, four hundred twenty-two thousand, three hundred ninety-nine".