30622193 has 8 divisors (see below), whose sum is σ = 35081088. Its totient is φ = 26184384.

The previous prime is 30622157. The next prime is 30622201. The reversal of 30622193 is 39122603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30622193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30622093) 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 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 8082.

It is an arithmetic number, because the mean of its divisors is an integer number (4385136).

Almost surely, 2^30622193 is an apocalyptic number.

It is an amenable number.

30622193 is a deficient number, since it is larger than the sum of its proper divisors (4458895).

30622193 is a wasteful number, since it uses less digits than its factorization.

30622193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30622193 is about 5533.7322848147. The cubic root of 30622193 is about 312.8566781833.

Adding to 30622193 its reverse (39122603), we get a palindrome (69744796).

The spelling of 30622193 in words is "thirty million, six hundred twenty-two thousand, one hundred ninety-three".