424445222 has 8 divisors (see below), whose sum is σ = 674118936. Its totient is φ = 199738912.

The previous prime is 424445221. The next prime is 424445227. The reversal of 424445222 is 222544424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424445221) 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, 6241808 + ... + 6241875.

It is an arithmetic number, because the mean of its divisors is an integer number (84264867).

Almost surely, 2^424445222 is an apocalyptic number.

424445222 is a deficient number, since it is larger than the sum of its proper divisors (249673714).

424445222 is a wasteful number, since it uses less digits than its factorization.

424445222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483702.

The product of its digits is 20480, while the sum is 29.

The square root of 424445222 is about 20602.0683913048. The cubic root of 424445222 is about 751.5200118560.

Adding to 424445222 its reverse (222544424), we get a palindrome (646989646).

The spelling of 424445222 in words is "four hundred twenty-four million, four hundred forty-five thousand, two hundred twenty-two".