30822057 has 12 divisors (see below), whose sum is σ = 50880960. Its totient is φ = 17612568.

The previous prime is 30822031. The next prime is 30822061. The reversal of 30822057 is 75022803.

It is not a de Polignac number, because 30822057 - 2¹² = 30817961 is a prime.

It is a super-2 number, since 2×30822057² = 1899998395422498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30822057.

It is not an unprimeable number, because it can be changed into a prime (30822007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244557 + ... + 244682.

It is an arithmetic number, because the mean of its divisors is an integer number (4240080).

Almost surely, 2^30822057 is an apocalyptic number.

It is an amenable number.

30822057 is a deficient number, since it is larger than the sum of its proper divisors (20058903).

30822057 is a wasteful number, since it uses less digits than its factorization.

30822057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489252 (or 489249 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30822057 is about 5551.7616123173. The cubic root of 30822057 is about 313.5358505433.

The spelling of 30822057 in words is "thirty million, eight hundred twenty-two thousand, fifty-seven".