22323155 has 8 divisors (see below), whose sum is σ = 26860032. Its totient is φ = 17810368.

The previous prime is 22323151. The next prime is 22323163. The reversal of 22323155 is 55132322.

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

It is a cyclic number.

It is not a de Polignac number, because 22323155 - 2² = 22323151 is a prime.

It is a super-3 number, since 3×22323155³ (a number of 23 digits) contains 333 as substring.

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 22323155.

It is not an unprimeable number, because it can be changed into a prime (22323151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (3357504).

Almost surely, 2^22323155 is an apocalyptic number.

22323155 is a deficient number, since it is larger than the sum of its proper divisors (4536877).

22323155 is a wasteful number, since it uses less digits than its factorization.

22323155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045.

The product of its digits is 1800, while the sum is 23.

The square root of 22323155 is about 4724.7386171089. The cubic root of 22323155 is about 281.5692289668.

Adding to 22323155 its reverse (55132322), we get a palindrome (77455477).

The spelling of 22323155 in words is "twenty-two million, three hundred twenty-three thousand, one hundred fifty-five".