30622148 has 12 divisors (see below), whose sum is σ = 56409360. Its totient is φ = 14505192.

The previous prime is 30622139. The next prime is 30622157. The reversal of 30622148 is 84122603.

It is an interprime number because it is at equal distance from previous prime (30622139) and next prime (30622157).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201386 + ... + 201537.

It is an arithmetic number, because the mean of its divisors is an integer number (4700780).

Almost surely, 2^30622148 is an apocalyptic number.

30622148 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30622148 is a deficient number, since it is larger than the sum of its proper divisors (25787212).

30622148 is a wasteful number, since it uses less digits than its factorization.

30622148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402946 (or 402944 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 30622148 is about 5533.7282188413. The cubic root of 30622148 is about 312.8565249332.

The spelling of 30622148 in words is "thirty million, six hundred twenty-two thousand, one hundred forty-eight".