30227780 has 24 divisors (see below), whose sum is σ = 69249600. Its totient is φ = 10991840.

The previous prime is 30227777. The next prime is 30227797. The reversal of 30227780 is 8772203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68480 + ... + 68919.

It is an arithmetic number, because the mean of its divisors is an integer number (2885400).

Almost surely, 2^30227780 is an apocalyptic number.

It is an amenable number.

30227780 is an abundant number, since it is smaller than the sum of its proper divisors (39021820).

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

30227780 is a wasteful number, since it uses less digits than its factorization.

30227780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137419 (or 137417 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 30227780 is about 5497.9796289182. The cubic root of 30227780 is about 311.5076746647.

Adding to 30227780 its reverse (8772203), we get a palindrome (38999983).

It can be divided in two parts, 302 and 27780, that added together give a palindrome (28082).

The spelling of 30227780 in words is "thirty million, two hundred twenty-seven thousand, seven hundred eighty".