22225228148121 has 4 divisors (see below), whose sum is σ = 29633637530832. Its totient is φ = 14816818765412.

The previous prime is 22225228148087. The next prime is 22225228148147. The reversal of 22225228148121 is 12184182252222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22225228148121 - 2¹⁸ = 22225227885977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22225228148821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3704204691351 + ... + 3704204691356.

It is an arithmetic number, because the mean of its divisors is an integer number (7408409382708).

Almost surely, 2^{22225228148121} is an apocalyptic number.

It is an amenable number.

22225228148121 is a deficient number, since it is larger than the sum of its proper divisors (7408409382711).

22225228148121 is an equidigital number, since it uses as much as digits as its factorization.

22225228148121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408409382710.

The product of its digits is 163840, while the sum is 42.

The spelling of 22225228148121 in words is "twenty-two trillion, two hundred twenty-five billion, two hundred twenty-eight million, one hundred forty-eight thousand, one hundred twenty-one".