423539222 has 16 divisors (see below), whose sum is σ = 686822640. Its totient is φ = 195200928.

The previous prime is 423539219. The next prime is 423539243. The reversal of 423539222 is 222935324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149213 + ... + 152024.

It is an arithmetic number, because the mean of its divisors is an integer number (42926415).

Almost surely, 2^423539222 is an apocalyptic number.

423539222 is a deficient number, since it is larger than the sum of its proper divisors (263283418).

423539222 is a wasteful number, since it uses less digits than its factorization.

423539222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301295.

The product of its digits is 25920, while the sum is 32.

The square root of 423539222 is about 20580.0685615962. The cubic root of 423539222 is about 750.9849116621.

The spelling of 423539222 in words is "four hundred twenty-three million, five hundred thirty-nine thousand, two hundred twenty-two".