302223420 has 48 divisors (see below), whose sum is σ = 940252320. Its totient is φ = 80592768.

The previous prime is 302223403. The next prime is 302223451. The reversal of 302223420 is 24322203.

302223420 is a `hidden beast` number, since 302 + 22 + 342 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302223393 and 302223402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279297 + ... + 280376.

It is an arithmetic number, because the mean of its divisors is an integer number (19588590).

Almost surely, 2^302223420 is an apocalyptic number.

302223420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302223420 is an abundant number, since it is smaller than the sum of its proper divisors (638028900).

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

302223420 is a wasteful number, since it uses less digits than its factorization.

302223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559691 (or 559683 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 302223420 is about 17384.5741966837. The cubic root of 302223420 is about 671.0826929239.

Adding to 302223420 its reverse (24322203), we get a palindrome (326545623).

The spelling of 302223420 in words is "three hundred two million, two hundred twenty-three thousand, four hundred twenty".