426670222 has 16 divisors (see below), whose sum is σ = 698511744. Its totient is φ = 193851000.

The previous prime is 426670219. The next prime is 426670229. The reversal of 426670222 is 222076624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426670229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75847 + ... + 81277.

It is an arithmetic number, because the mean of its divisors is an integer number (43656984).

Almost surely, 2^426670222 is an apocalyptic number.

426670222 is a deficient number, since it is larger than the sum of its proper divisors (271841522).

426670222 is a wasteful number, since it uses less digits than its factorization.

426670222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 426670222 is about 20655.9972405110. The cubic root of 426670222 is about 752.8309141595.

It can be divided in two parts, 42667022 and 2, that added together give a square (42667024 = 6532²).

The spelling of 426670222 in words is "four hundred twenty-six million, six hundred seventy thousand, two hundred twenty-two".