22202746 has 4 divisors (see below), whose sum is σ = 33304122. Its totient is φ = 11101372.

The previous prime is 22202711. The next prime is 22202767. The reversal of 22202746 is 64720222.

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., 20602521 + 1600225 = 4539^2 + 1265^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202746.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5550685 + ... + 5550688.

Almost surely, 2^22202746 is an apocalyptic number.

22202746 is a deficient number, since it is larger than the sum of its proper divisors (11101376).

22202746 is a wasteful number, since it uses less digits than its factorization.

22202746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101375.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 22202746 is about 4711.9789897664. The cubic root of 22202746 is about 281.0620633504.

Adding to 22202746 its reverse (64720222), we get a palindrome (86922968).

The spelling of 22202746 in words is "twenty-two million, two hundred two thousand, seven hundred forty-six".