22248761133145 has 4 divisors (see below), whose sum is σ = 26698513359780. Its totient is φ = 17799008906512.

The previous prime is 22248761133097. The next prime is 22248761133149. The reversal of 22248761133145 is 54133116784222.

It is a happy number.

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 8568142725321 + 13680618407824 = 2927139^2 + 3698732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22248761133145 is a prime.

It is a super-3 number, since 3×22248761133145³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22248761133149) 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, 2224876113310 + ... + 2224876113319.

It is an arithmetic number, because the mean of its divisors is an integer number (6674628339945).

Almost surely, 2^{22248761133145} is an apocalyptic number.

It is an amenable number.

22248761133145 is a deficient number, since it is larger than the sum of its proper divisors (4449752226635).

22248761133145 is an equidigital number, since it uses as much as digits as its factorization.

22248761133145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449752226634.

The product of its digits is 1935360, while the sum is 49.

The spelling of 22248761133145 in words is "twenty-two trillion, two hundred forty-eight billion, seven hundred sixty-one million, one hundred thirty-three thousand, one hundred forty-five".