22628003 has 4 divisors (see below), whose sum is σ = 23959080. Its totient is φ = 21296928.

The previous prime is 22627991. The next prime is 22628017. The reversal of 22628003 is 30082622.

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

It is a cyclic number.

It is not a de Polignac number, because 22628003 - 2⁴ = 22627987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22628003.

It is not an unprimeable number, because it can be changed into a prime (22628303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665513 + ... + 665546.

It is an arithmetic number, because the mean of its divisors is an integer number (5989770).

Almost surely, 2^22628003 is an apocalyptic number.

22628003 is a deficient number, since it is larger than the sum of its proper divisors (1331077).

22628003 is a wasteful number, since it uses less digits than its factorization.

22628003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331076.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22628003 is about 4756.8900554879. The cubic root of 22628003 is about 282.8451541287.

The spelling of 22628003 in words is "twenty-two million, six hundred twenty-eight thousand, three".