22001141645 has 16 divisors (see below), whose sum is σ = 30187176960. Its totient is φ = 15079405824.

The previous prime is 22001141641. The next prime is 22001141647. The reversal of 22001141645 is 54614110022.

It is not a de Polignac number, because 22001141645 - 2² = 22001141641 is a prime.

It is a super-3 number, since 3×22001141645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001141641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71660 + ... + 221669.

It is an arithmetic number, because the mean of its divisors is an integer number (1886698560).

Almost surely, 2^22001141645 is an apocalyptic number.

It is an amenable number.

22001141645 is a deficient number, since it is larger than the sum of its proper divisors (8186035315).

22001141645 is a wasteful number, since it uses less digits than its factorization.

22001141645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295484.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 22001141645 its reverse (54614110022), we get a palindrome (76615251667).

The spelling of 22001141645 in words is "twenty-two billion, one million, one hundred forty-one thousand, six hundred forty-five".