22145221541045 has 16 divisors (see below), whose sum is σ = 27433350197760. Its totient is φ = 17143531416000.

The previous prime is 22145221540991. The next prime is 22145221541057. The reversal of 22145221541045 is 54014512254122.

It is not a de Polignac number, because 22145221541045 - 2³⁴ = 22128041671861 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2508290 + ... + 7112099.

It is an arithmetic number, because the mean of its divisors is an integer number (1714584387360).

Almost surely, 2^{22145221541045} is an apocalyptic number.

It is an amenable number.

22145221541045 is a deficient number, since it is larger than the sum of its proper divisors (5288128656715).

22145221541045 is a wasteful number, since it uses less digits than its factorization.

22145221541045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635276.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 22145221541045 its reverse (54014512254122), we get a palindrome (76159733795167).

The spelling of 22145221541045 in words is "twenty-two trillion, one hundred forty-five billion, two hundred twenty-one million, five hundred forty-one thousand, forty-five".