22122045154 has 16 divisors (see below), whose sum is σ = 38104958880. Its totient is φ = 9526239360.

The previous prime is 22122045151. The next prime is 22122045163. The reversal of 22122045154 is 45154022122.

It is a happy number.

It is a super-2 number, since 2×22122045154² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22122045151) 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, 26461359 + ... + 26462194.

It is an arithmetic number, because the mean of its divisors is an integer number (2381559930).

Almost surely, 2^22122045154 is an apocalyptic number.

22122045154 is a deficient number, since it is larger than the sum of its proper divisors (15982913726).

22122045154 is a wasteful number, since it uses less digits than its factorization.

22122045154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52923585.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 22122045154 its reverse (45154022122), we get a palindrome (67276067276).

The spelling of 22122045154 in words is "twenty-two billion, one hundred twenty-two million, forty-five thousand, one hundred fifty-four".