21302202 has 16 divisors (see below), whose sum is σ = 43003872. Its totient is φ = 7034160.

The previous prime is 21302191. The next prime is 21302219. The reversal of 21302202 is 20220312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15949 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (2687742).

Almost surely, 2^21302202 is an apocalyptic number.

21302202 is an abundant number, since it is smaller than the sum of its proper divisors (21701670).

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

21302202 is a wasteful number, since it uses less digits than its factorization.

21302202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33293.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 21302202 is about 4615.4308574607. The cubic root of 21302202 is about 277.2095361832.

Adding to 21302202 its reverse (20220312), we get a palindrome (41522514).

The spelling of 21302202 in words is "twenty-one million, three hundred two thousand, two hundred two".