426220577 has 4 divisors (see below), whose sum is σ = 426286896. Its totient is φ = 426154260.

The previous prime is 426220507. The next prime is 426220591. The reversal of 426220577 is 775022624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426220577 - 2⁸ = 426220321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426220507) 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, 22343 + ... + 36764.

It is an arithmetic number, because the mean of its divisors is an integer number (106571724).

Almost surely, 2^426220577 is an apocalyptic number.

It is an amenable number.

426220577 is a deficient number, since it is larger than the sum of its proper divisors (66319).

426220577 is an equidigital number, since it uses as much as digits as its factorization.

426220577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66318.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 426220577 is about 20645.1102443169. The cubic root of 426220577 is about 752.5663650847.

The spelling of 426220577 in words is "four hundred twenty-six million, two hundred twenty thousand, five hundred seventy-seven".