302225742 has 240 divisors, whose sum is σ = 892805760. Its totient is φ = 74602944.

The previous prime is 302225741. The next prime is 302225743. The reversal of 302225742 is 247522203.

It is an interprime number because it is at equal distance from previous prime (302225741) and next prime (302225743).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302225741) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3641233 + ... + 3641315.

It is an arithmetic number, because the mean of its divisors is an integer number (3720024).

Almost surely, 2^302225742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302225742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446402880).

302225742 is an abundant number, since it is smaller than the sum of its proper divisors (590580018).

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

302225742 is a wasteful number, since it uses less digits than its factorization.

302225742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 302225742 is about 17384.6409798995. The cubic root of 302225742 is about 671.0844115752.

302225742 divided by its sum of digits (27) gives a triangular number (11193546 = T₄₇₃₁).

Adding to 302225742 its reverse (247522203), we get a palindrome (549747945).

The spelling of 302225742 in words is "three hundred two million, two hundred twenty-five thousand, seven hundred forty-two".