30322425 has 72 divisors (see below), whose sum is σ = 60162816. Its totient is φ = 13426560.

The previous prime is 30322403. The next prime is 30322427. The reversal of 30322425 is 52422303.

30322425 = T₄₀₆ + T₄₀₇ + ... + T₆₂₈.

It is not a de Polignac number, because 30322425 - 2⁹ = 30321913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30322427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135864 + ... + 136086.

Almost surely, 2^30322425 is an apocalyptic number.

30322425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30322425 is a deficient number, since it is larger than the sum of its proper divisors (29840391).

30322425 is a wasteful number, since it uses less digits than its factorization.

30322425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30322425 is about 5506.5801546877. The cubic root of 30322425 is about 311.8324523652.

Adding to 30322425 its reverse (52422303), we get a palindrome (82744728).

The spelling of 30322425 in words is "thirty million, three hundred twenty-two thousand, four hundred twenty-five".