30220347 has 4 divisors (see below), whose sum is σ = 40293800. Its totient is φ = 20146896.

The previous prime is 30220343. The next prime is 30220361. The reversal of 30220347 is 74302203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30220347 - 2² = 30220343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30220343) 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, 5036722 + ... + 5036727.

It is an arithmetic number, because the mean of its divisors is an integer number (10073450).

Almost surely, 2^30220347 is an apocalyptic number.

30220347 is a deficient number, since it is larger than the sum of its proper divisors (10073453).

30220347 is a wasteful number, since it uses less digits than its factorization.

30220347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073452.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30220347 is about 5497.3036117719. The cubic root of 30220347 is about 311.4821393640.

The spelling of 30220347 in words is "thirty million, two hundred twenty thousand, three hundred forty-seven".