30920622 has 8 divisors (see below), whose sum is σ = 61841256. Its totient is φ = 10306872.

The previous prime is 30920599. The next prime is 30920623. The reversal of 30920622 is 22602903.

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

30920622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30920592 and 30920601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30920623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576713 + ... + 2576724.

It is an arithmetic number, because the mean of its divisors is an integer number (7730157).

Almost surely, 2^30920622 is an apocalyptic number.

30920622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30920622 is a wasteful number, since it uses less digits than its factorization.

30920622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153442.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30920622 is about 5560.6314389645. The cubic root of 30920622 is about 313.8697107776.

The spelling of 30920622 in words is "thirty million, nine hundred twenty thousand, six hundred twenty-two".