30220202 has 4 divisors (see below), whose sum is σ = 45330306. Its totient is φ = 15110100.

The previous prime is 30220171. The next prime is 30220207. The reversal of 30220202 is 20202203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20202203 = 7 ⋅2886029.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 1907161 = 5321^2 + 1381^2 .

It is not an unprimeable number, because it can be changed into a prime (30220207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555049 + ... + 7555052.

Almost surely, 2^30220202 is an apocalyptic number.

30220202 is a deficient number, since it is larger than the sum of its proper divisors (15110104).

30220202 is a wasteful number, since it uses less digits than its factorization.

30220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110103.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30220202 is about 5497.2904234723. The cubic root of 30220202 is about 311.4816411899.

Adding to 30220202 its reverse (20202203), we get a palindrome (50422405).

The spelling of 30220202 in words is "thirty million, two hundred twenty thousand, two hundred two".