22431202 has 4 divisors (see below), whose sum is σ = 33646806. Its totient is φ = 11215600.

The previous prime is 22431193. The next prime is 22431209. The reversal of 22431202 is 20213422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22382361 + 48841 = 4731^2 + 221^2 .

It is not an unprimeable number, because it can be changed into a prime (22431209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607799 + ... + 5607802.

Almost surely, 2^22431202 is an apocalyptic number.

22431202 is a deficient number, since it is larger than the sum of its proper divisors (11215604).

22431202 is a wasteful number, since it uses less digits than its factorization.

22431202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215603.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22431202 is about 4736.1589922637. The cubic root of 22431202 is about 282.0227753515.

Adding to 22431202 its reverse (20213422), we get a palindrome (42644624).

The spelling of 22431202 in words is "twenty-two million, four hundred thirty-one thousand, two hundred two".