30022256 has 40 divisors (see below), whose sum is σ = 64948224. Its totient is φ = 13325760.

The previous prime is 30022253. The next prime is 30022259. The reversal of 30022256 is 65222003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30022253) and next prime (30022259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022253) by changing a digit.

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, 5585 + ... + 9551.

Almost surely, 2^30022256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32474112).

30022256 is an abundant number, since it is smaller than the sum of its proper divisors (34925968).

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

30022256 is a wasteful number, since it uses less digits than its factorization.

30022256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30022256 is about 5479.2568839214. The cubic root of 30022256 is about 310.8000700093.

Adding to 30022256 its reverse (65222003), we get a palindrome (95244259).

The spelling of 30022256 in words is "thirty million, twenty-two thousand, two hundred fifty-six".