424243222 has 8 divisors (see below), whose sum is σ = 685316016. Its totient is φ = 195804552.

The previous prime is 424243199. The next prime is 424243231. The reversal of 424243222 is 222342424.

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

It is a super-2 number, since 2×424243222² = 359964622825882568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8158498 + ... + 8158549.

It is an arithmetic number, because the mean of its divisors is an integer number (85664502).

Almost surely, 2^424243222 is an apocalyptic number.

424243222 is a deficient number, since it is larger than the sum of its proper divisors (261072794).

424243222 is a wasteful number, since it uses less digits than its factorization.

424243222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317062.

The product of its digits is 6144, while the sum is 25.

The square root of 424243222 is about 20597.1653874993. The cubic root of 424243222 is about 751.4007729662.

Adding to 424243222 its reverse (222342424), we get a palindrome (646585646).

The spelling of 424243222 in words is "four hundred twenty-four million, two hundred forty-three thousand, two hundred twenty-two".