30822645 has 32 divisors (see below), whose sum is σ = 58816512. Its totient is φ = 13476672.

The previous prime is 30822643. The next prime is 30822653. The reversal of 30822645 is 54622803.

It is not a de Polignac number, because 30822645 - 2¹ = 30822643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30822641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3967 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (1838016).

Almost surely, 2^30822645 is an apocalyptic number.

30822645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30822645 is a deficient number, since it is larger than the sum of its proper divisors (27993867).

30822645 is a wasteful number, since it uses less digits than its factorization.

30822645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 30822645 is about 5551.8145682290. The cubic root of 30822645 is about 313.5378443309.

The spelling of 30822645 in words is "thirty million, eight hundred twenty-two thousand, six hundred forty-five".