302422240 has 96 divisors (see below), whose sum is σ = 766674720. Its totient is φ = 112379904.

The previous prime is 302422223. The next prime is 302422243. The reversal of 302422240 is 42224203.

It is a super-2 number, since 2×302422240² = 182918422493235200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302422243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160182 + ... + 162058.

It is an arithmetic number, because the mean of its divisors is an integer number (7986195).

Almost surely, 2^302422240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302422240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383337360).

302422240 is an abundant number, since it is smaller than the sum of its proper divisors (464252480).

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

302422240 is a wasteful number, since it uses less digits than its factorization.

302422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 302422240 is about 17390.2915444221. The cubic root of 302422240 is about 671.2298196352.

Adding to 302422240 its reverse (42224203), we get a palindrome (344646443).

The spelling of 302422240 in words is "three hundred two million, four hundred twenty-two thousand, two hundred forty".