21322202 has 16 divisors (see below), whose sum is σ = 35314272. Its totient is φ = 9574320.

The previous prime is 21322201. The next prime is 21322207. The reversal of 21322202 is 20222312.

It is not an unprimeable number, because it can be changed into a prime (21322201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 7664.

It is an arithmetic number, because the mean of its divisors is an integer number (2207142).

Almost surely, 2^21322202 is an apocalyptic number.

21322202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21322202 is a deficient number, since it is larger than the sum of its proper divisors (13992070).

21322202 is a wasteful number, since it uses less digits than its factorization.

21322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 21322202 is about 4617.5969941085. The cubic root of 21322202 is about 277.2962636263.

Adding to 21322202 its reverse (20222312), we get a palindrome (41544514).

It can be divided in two parts, 2132 and 2202, that added together give a palindrome (4334).

The spelling of 21322202 in words is "twenty-one million, three hundred twenty-two thousand, two hundred two".