22155126223154 has 32 divisors (see below), whose sum is σ = 33758366386752. Its totient is φ = 10903838400000.

The previous prime is 22155126223151. The next prime is 22155126223159. The reversal of 22155126223154 is 45132262155122.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22155126223151) 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, 26729354 + ... + 27545754.

It is an arithmetic number, because the mean of its divisors is an integer number (1054948949586).

Almost surely, 2^{22155126223154} is an apocalyptic number.

22155126223154 is a deficient number, since it is larger than the sum of its proper divisors (11603240163598).

22155126223154 is a wasteful number, since it uses less digits than its factorization.

22155126223154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817322.

The product of its digits is 288000, while the sum is 41.

Adding to 22155126223154 its reverse (45132262155122), we get a palindrome (67287388378276).

The spelling of 22155126223154 in words is "twenty-two trillion, one hundred fifty-five billion, one hundred twenty-six million, two hundred twenty-three thousand, one hundred fifty-four".