30622325 has 6 divisors (see below), whose sum is σ = 37971714. Its totient is φ = 24497840.

The previous prime is 30622303. The next prime is 30622337. The reversal of 30622325 is 52322603.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2669956 + 27952369 = 1634^2 + 5287^2 .

It is not a de Polignac number, because 30622325 - 2⁶ = 30622261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30622325.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 612422 + ... + 612471.

It is an arithmetic number, because the mean of its divisors is an integer number (6328619).

Almost surely, 2^30622325 is an apocalyptic number.

It is an amenable number.

30622325 is a deficient number, since it is larger than the sum of its proper divisors (7349389).

30622325 is a wasteful number, since it uses less digits than its factorization.

30622325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224903 (or 1224898 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30622325 is about 5533.7442116527. The cubic root of 30622325 is about 312.8571277159.

Adding to 30622325 its reverse (52322603), we get a palindrome (82944928).

The spelling of 30622325 in words is "thirty million, six hundred twenty-two thousand, three hundred twenty-five".