426222971 has 4 divisors (see below), whose sum is σ = 426742944. Its totient is φ = 425703000.

The previous prime is 426222967. The next prime is 426222977. The reversal of 426222971 is 179222624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426222971 - 2² = 426222967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426222977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258755 + ... + 260396.

It is an arithmetic number, because the mean of its divisors is an integer number (106685736).

Almost surely, 2^426222971 is an apocalyptic number.

426222971 is a deficient number, since it is larger than the sum of its proper divisors (519973).

426222971 is an equidigital number, since it uses as much as digits as its factorization.

426222971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519972.

The product of its digits is 24192, while the sum is 35.

The square root of 426222971 is about 20645.1682240664. The cubic root of 426222971 is about 752.5677740895.

The spelling of 426222971 in words is "four hundred twenty-six million, two hundred twenty-two thousand, nine hundred seventy-one".