30220846 has 16 divisors (see below), whose sum is σ = 47069568. Its totient is φ = 14536800.

The previous prime is 30220807. The next prime is 30220847. The reversal of 30220846 is 64802203.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30220846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9876 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (2941848).

Almost surely, 2^30220846 is an apocalyptic number.

30220846 is a deficient number, since it is larger than the sum of its proper divisors (16848722).

30220846 is a wasteful number, since it uses less digits than its factorization.

30220846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 30220846 is about 5497.3489974714. The cubic root of 30220846 is about 311.4838537578.

The spelling of 30220846 in words is "thirty million, two hundred twenty thousand, eight hundred forty-six".