427722311 has 2 divisors, whose sum is σ = 427722312. Its totient is φ = 427722310.

The previous prime is 427722299. The next prime is 427722313. The reversal of 427722311 is 113227724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427722311 - 2²⁶ = 360613447 is a prime.

Together with 427722313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427722313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213861155 + 213861156.

It is an arithmetic number, because the mean of its divisors is an integer number (213861156).

Almost surely, 2^427722311 is an apocalyptic number.

427722311 is a deficient number, since it is larger than the sum of its proper divisors (1).

427722311 is an equidigital number, since it uses as much as digits as its factorization.

427722311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 427722311 is about 20681.4484744178. The cubic root of 427722311 is about 753.4491863531.

The spelling of 427722311 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, three hundred eleven".