22150220541225 has 48 divisors (see below), whose sum is σ = 41996213653632. Its totient is φ = 10091255938560.

The previous prime is 22150220541209. The next prime is 22150220541227. The reversal of 22150220541225 is 52214502205122.

It is not a de Polignac number, because 22150220541225 - 2⁴ = 22150220541209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22150220541227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71844292 + ... + 72151941.

It is an arithmetic number, because the mean of its divisors is an integer number (874921117784).

Almost surely, 2^{22150220541225} is an apocalyptic number.

22150220541225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22150220541225 is a deficient number, since it is larger than the sum of its proper divisors (19845993112407).

22150220541225 is a wasteful number, since it uses less digits than its factorization.

22150220541225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143996546 (or 143996541 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 22150220541225 its reverse (52214502205122), we get a palindrome (74364722746347).

The spelling of 22150220541225 in words is "twenty-two trillion, one hundred fifty billion, two hundred twenty million, five hundred forty-one thousand, two hundred twenty-five".