30772282 has 8 divisors (see below), whose sum is σ = 46306836. Its totient is φ = 15336672.

The previous prime is 30772279. The next prime is 30772283. The reversal of 30772282 is 28227703.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 2692881 = 5299^2 + 1641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30772283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23953 + ... + 25204.

Almost surely, 2^30772282 is an apocalyptic number.

30772282 is a deficient number, since it is larger than the sum of its proper divisors (15534554).

30772282 is a wasteful number, since it uses less digits than its factorization.

30772282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49472.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 30772282 is about 5547.2769896590. The cubic root of 30772282 is about 313.3669816990.

Adding to 30772282 its reverse (28227703), we get a palindrome (58999985).

The spelling of 30772282 in words is "thirty million, seven hundred seventy-two thousand, two hundred eighty-two".