420412222 has 8 divisors (see below), whose sum is σ = 632771496. Its totient is φ = 209488392.

The previous prime is 420412211. The next prime is 420412231. The reversal of 420412222 is 222214024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 420412222.

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, 358128 + ... + 359299.

It is an arithmetic number, because the mean of its divisors is an integer number (79096437).

Almost surely, 2^420412222 is an apocalyptic number.

420412222 is a deficient number, since it is larger than the sum of its proper divisors (212359274).

420412222 is a wasteful number, since it uses less digits than its factorization.

420412222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717722.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 420412222 is about 20503.9562523919. The cubic root of 420412222 is about 749.1321647960.

Adding to 420412222 its reverse (222214024), we get a palindrome (642626246).

The spelling of 420412222 in words is "four hundred twenty million, four hundred twelve thousand, two hundred twenty-two".