30220002 has 12 divisors (see below), whose sum is σ = 65476710. Its totient is φ = 10073328.

The previous prime is 30219983. The next prime is 30220007. The reversal of 30220002 is 20002203.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 6395841 = 4881^2 + 2529^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30220007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839427 + ... + 839462.

Almost surely, 2^30220002 is an apocalyptic number.

30220002 is an abundant number, since it is smaller than the sum of its proper divisors (35256708).

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

30220002 is a wasteful number, since it uses less digits than its factorization.

30220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678897 (or 1678894 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30220002 is about 5497.2722326623. The cubic root of 30220002 is about 311.4809540506.

Adding to 30220002 its reverse (20002203), we get a palindrome (50222205).

The spelling of 30220002 in words is "thirty million, two hundred twenty thousand, two".