426222851 has 2 divisors, whose sum is σ = 426222852. Its totient is φ = 426222850.

The previous prime is 426222833. The next prime is 426222871. The reversal of 426222851 is 158222624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426222851 - 2¹⁴ = 426206467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426222871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213111425 + 213111426.

It is an arithmetic number, because the mean of its divisors is an integer number (213111426).

Almost surely, 2^426222851 is an apocalyptic number.

426222851 is a deficient number, since it is larger than the sum of its proper divisors (1).

426222851 is an equidigital number, since it uses as much as digits as its factorization.

426222851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 32.

The square root of 426222851 is about 20645.1653178171. The cubic root of 426222851 is about 752.5677034628.

The spelling of 426222851 in words is "four hundred twenty-six million, two hundred twenty-two thousand, eight hundred fifty-one".