302212230 has 128 divisors (see below), whose sum is σ = 800150400. Its totient is φ = 72744960.

The previous prime is 302212217. The next prime is 302212241. The reversal of 302212230 is 32212203.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2028196 + ... + 2028344.

It is an arithmetic number, because the mean of its divisors is an integer number (6251175).

Almost surely, 2^302212230 is an apocalyptic number.

302212230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 302212230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400075200).

302212230 is an abundant number, since it is smaller than the sum of its proper divisors (497938170).

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

302212230 is a wasteful number, since it uses less digits than its factorization.

302212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 302212230 is about 17384.2523566589. The cubic root of 302212230 is about 671.0744104112.

Adding to 302212230 its reverse (32212203), we get a palindrome (334424433).

The spelling of 302212230 in words is "three hundred two million, two hundred twelve thousand, two hundred thirty".