22780103 has 4 divisors (see below), whose sum is σ = 22818240. Its totient is φ = 22741968.

The previous prime is 22780081. The next prime is 22780129. The reversal of 22780103 is 30108722.

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 22780103 - 2⁶ = 22780039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22780003) 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, 18158 + ... + 19371.

It is an arithmetic number, because the mean of its divisors is an integer number (5704560).

Almost surely, 2^22780103 is an apocalyptic number.

22780103 is a deficient number, since it is larger than the sum of its proper divisors (38137).

22780103 is an equidigital number, since it uses as much as digits as its factorization.

22780103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38136.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22780103 is about 4772.8506157222. The cubic root of 22780103 is about 283.4774785187.

Adding to 22780103 its reverse (30108722), we get a palindrome (52888825).

The spelling of 22780103 in words is "twenty-two million, seven hundred eighty thousand, one hundred three".