30220716 has 24 divisors (see below), whose sum is σ = 74226880. Its totient is φ = 9543312.

The previous prime is 30220669. The next prime is 30220717. The reversal of 30220716 is 61702203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30220692 and 30220701.

It is not an unprimeable number, because it can be changed into a prime (30220717) 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, 66046 + ... + 66501.

Almost surely, 2^30220716 is an apocalyptic number.

It is an amenable number.

30220716 is an abundant number, since it is smaller than the sum of its proper divisors (44006164).

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

30220716 is a wasteful number, since it uses less digits than its factorization.

30220716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132573 (or 132571 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 30220716 is about 5497.3371735778. The cubic root of 30220716 is about 311.4834071240.

Adding to 30220716 its reverse (61702203), we get a palindrome (91922919).

The spelling of 30220716 in words is "thirty million, two hundred twenty thousand, seven hundred sixteen".