420022230 has 32 divisors (see below), whose sum is σ = 1067351904. Its totient is φ = 105417216.

The previous prime is 420022199. The next prime is 420022241. The reversal of 420022230 is 32220024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411277 + ... + 412296.

It is an arithmetic number, because the mean of its divisors is an integer number (33354747).

Almost surely, 2^420022230 is an apocalyptic number.

420022230 is an abundant number, since it is smaller than the sum of its proper divisors (647329674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420022230 is a wasteful number, since it uses less digits than its factorization.

420022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823600.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 420022230 is about 20494.4438812084. The cubic root of 420022230 is about 748.9004509993.

Adding to 420022230 its reverse (32220024), we get a palindrome (452242254).

The spelling of 420022230 in words is "four hundred twenty million, twenty-two thousand, two hundred thirty".