426223881 has 48 divisors (see below), whose sum is σ = 667180800. Its totient is φ = 261241344.

The previous prime is 426223829. The next prime is 426223921. The reversal of 426223881 is 188322624.

426223881 is a `hidden beast` number, since 426 + 223 + 8 + 8 + 1 = 666.

It is not a de Polignac number, because 426223881 - 2¹⁸ = 425961737 is a prime.

It is a super-2 number, since 2×426223881² = 363333593469404322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426223801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2163475 + ... + 2163671.

It is an arithmetic number, because the mean of its divisors is an integer number (13899600).

Almost surely, 2^426223881 is an apocalyptic number.

It is an amenable number.

426223881 is a deficient number, since it is larger than the sum of its proper divisors (240956919).

426223881 is a wasteful number, since it uses less digits than its factorization.

426223881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 475 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 426223881 is about 20645.1902631097. The cubic root of 426223881 is about 752.5683096747.

The spelling of 426223881 in words is "four hundred twenty-six million, two hundred twenty-three thousand, eight hundred eighty-one".