30772230 has 16 divisors (see below), whose sum is σ = 73853424. Its totient is φ = 8205920.

The previous prime is 30772213. The next prime is 30772241. The reversal of 30772230 is 3227703.

It is a self number, because there is not a number n which added to its sum of digits gives 30772230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512841 + ... + 512900.

It is an arithmetic number, because the mean of its divisors is an integer number (4615839).

Almost surely, 2^30772230 is an apocalyptic number.

30772230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30772230 is an abundant number, since it is smaller than the sum of its proper divisors (43081194).

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

30772230 is a wasteful number, since it uses less digits than its factorization.

30772230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025751.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30772230 is about 5547.2723026727. The cubic root of 30772230 is about 313.3668051864.

Adding to 30772230 its reverse (3227703), we get a palindrome (33999933).

The spelling of 30772230 in words is "thirty million, seven hundred seventy-two thousand, two hundred thirty".