22103155 has 8 divisors (see below), whose sum is σ = 27379584. Its totient is φ = 17112000.

The previous prime is 22103131. The next prime is 22103197. The reversal of 22103155 is 55130122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22103155 - 2⁷ = 22103027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71146 + ... + 71455.

It is an arithmetic number, because the mean of its divisors is an integer number (3422448).

Almost surely, 2^22103155 is an apocalyptic number.

22103155 is a deficient number, since it is larger than the sum of its proper divisors (5276429).

22103155 is a wasteful number, since it uses less digits than its factorization.

22103155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142637.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 22103155 is about 4701.3992597949. The cubic root of 22103155 is about 280.6411963642.

Adding to 22103155 its reverse (55130122), we get a palindrome (77233277).

The spelling of 22103155 in words is "twenty-two million, one hundred three thousand, one hundred fifty-five".