22103023155 has 16 divisors (see below), whose sum is σ = 35471687424. Its totient is φ = 11752662240.

The previous prime is 22103023153. The next prime is 22103023181. The reversal of 22103023155 is 55132030122.

It is a happy number.

It is not a de Polignac number, because 22103023155 - 2¹ = 22103023153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22103023153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220919 + ... + 2230848.

It is an arithmetic number, because the mean of its divisors is an integer number (2216980464).

Almost surely, 2^22103023155 is an apocalyptic number.

22103023155 is a deficient number, since it is larger than the sum of its proper divisors (13368664269).

22103023155 is a wasteful number, since it uses less digits than its factorization.

22103023155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452106.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 22103023155 its reverse (55132030122), we get a palindrome (77235053277).

The spelling of 22103023155 in words is "twenty-two billion, one hundred three million, twenty-three thousand, one hundred fifty-five".