30228285876778 has 32 divisors (see below), whose sum is σ = 49841884147392. Its totient is φ = 13635542592000.

The previous prime is 30228285876667. The next prime is 30228285876821. The reversal of 30228285876778 is 87767858282203.

It is a super-2 number, since 2×30228285876778² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30228285876778.

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, 3849273 + ... + 8676028.

It is an arithmetic number, because the mean of its divisors is an integer number (1557558879606).

Almost surely, 2^{30228285876778} is an apocalyptic number.

30228285876778 is a deficient number, since it is larger than the sum of its proper divisors (19613598270614).

30228285876778 is a wasteful number, since it uses less digits than its factorization.

30228285876778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12526150.

The product of its (nonzero) digits is 1011548160, while the sum is 73.

The spelling of 30228285876778 in words is "thirty trillion, two hundred twenty-eight billion, two hundred eighty-five million, eight hundred seventy-six thousand, seven hundred seventy-eight".