22603442 has 4 divisors (see below), whose sum is σ = 33905166. Its totient is φ = 11301720.

The previous prime is 22603417. The next prime is 22603459. The reversal of 22603442 is 24430622.

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., 16556761 + 6046681 = 4069^2 + 2459^2 .

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, 5650859 + ... + 5650862.

Almost surely, 2^22603442 is an apocalyptic number.

22603442 is a deficient number, since it is larger than the sum of its proper divisors (11301724).

22603442 is a wasteful number, since it uses less digits than its factorization.

22603442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301723.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 22603442 is about 4754.3077308900. The cubic root of 22603442 is about 282.7427813472.

The spelling of 22603442 in words is "twenty-two million, six hundred three thousand, four hundred forty-two".