30225450 has 48 divisors (see below), whose sum is σ = 78227136. Its totient is φ = 7708800.

The previous prime is 30225421. The next prime is 30225451. The reversal of 30225450 is 5452203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931 + ... + 7830.

It is an arithmetic number, because the mean of its divisors is an integer number (1629732).

Almost surely, 2^30225450 is an apocalyptic number.

30225450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30225450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39113568).

30225450 is an abundant number, since it is smaller than the sum of its proper divisors (48001686).

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

30225450 is a wasteful number, since it uses less digits than its factorization.

30225450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8799 (or 8794 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30225450 is about 5497.7677288150. The cubic root of 30225450 is about 311.4996706418.

Adding to 30225450 its reverse (5452203), we get a palindrome (35677653).

It can be divided in two parts, 302 and 25450, that added together give a palindrome (25752).

The spelling of 30225450 in words is "thirty million, two hundred twenty-five thousand, four hundred fifty".