22106323523153 has 4 divisors (see below), whose sum is σ = 22106498247348. Its totient is φ = 22106148798960.

The previous prime is 22106323523101. The next prime is 22106323523159. The reversal of 22106323523153 is 35132532360122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3776519828929 + 18329803694224 = 1943327^2 + 4281332^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106323523153 - 2¹² = 22106323519057 is a prime.

It is a super-2 number, since 2×22106323523153² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22106323523159) 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, 87172178 + ... + 87425403.

It is an arithmetic number, because the mean of its divisors is an integer number (5526624561837).

Almost surely, 2^{22106323523153} is an apocalyptic number.

It is an amenable number.

22106323523153 is a deficient number, since it is larger than the sum of its proper divisors (174724195).

22106323523153 is a wasteful number, since it uses less digits than its factorization.

22106323523153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174724194.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 22106323523153 its reverse (35132532360122), we get a palindrome (57238855883275).

The spelling of 22106323523153 in words is "twenty-two trillion, one hundred six billion, three hundred twenty-three million, five hundred twenty-three thousand, one hundred fifty-three".