30225461 has 4 divisors (see below), whose sum is σ = 34543392. Its totient is φ = 25907532.

The previous prime is 30225457. The next prime is 30225463. The reversal of 30225461 is 16452203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30225461 - 2² = 30225457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30225463) 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, 2158955 + ... + 2158968.

It is an arithmetic number, because the mean of its divisors is an integer number (8635848).

Almost surely, 2^30225461 is an apocalyptic number.

It is an amenable number.

30225461 is a deficient number, since it is larger than the sum of its proper divisors (4317931).

30225461 is an equidigital number, since it uses as much as digits as its factorization.

30225461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317930.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30225461 is about 5497.7687292210. The cubic root of 30225461 is about 311.4997084300.

Adding to 30225461 its reverse (16452203), we get a palindrome (46677664).

The spelling of 30225461 in words is "thirty million, two hundred twenty-five thousand, four hundred sixty-one".