213224202 has 12 divisors (see below), whose sum is σ = 461985810. Its totient is φ = 71074728.

The previous prime is 213224201. The next prime is 213224243. The reversal of 213224202 is 202422312.

It can be written as a sum of positive squares in only one way, i.e., 191517921 + 21706281 = 13839^2 + 4659^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11845789 = 213224202 / (2 + 1 + 3 + 2 + 2 + 4 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (213224201) 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 5 ways as a sum of consecutive naturals, for example, 5922877 + ... + 5922912.

Almost surely, 2^213224202 is an apocalyptic number.

213224202 is an abundant number, since it is smaller than the sum of its proper divisors (248761608).

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

213224202 is a wasteful number, since it uses less digits than its factorization.

213224202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845797 (or 11845794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 213224202 is about 14602.1985330977. The cubic root of 213224202 is about 597.4187276467.

Adding to 213224202 its reverse (202422312), we get a palindrome (415646514).

It can be divided in two parts, 21 and 3224202, that added together give a palindrome (3224223).

The spelling of 213224202 in words is "two hundred thirteen million, two hundred twenty-four thousand, two hundred two".