22145736001261 has 8 divisors (see below), whose sum is σ = 22931602646400. Its totient is φ = 21361350727920.

The previous prime is 22145736001211. The next prime is 22145736001321. The reversal of 22145736001261 is 16210063754122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22145736001261 - 2¹⁵ = 22145735968493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145736001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370312521 + ... + 370372318.

It is an arithmetic number, because the mean of its divisors is an integer number (2866450330800).

Almost surely, 2^{22145736001261} is an apocalyptic number.

It is an amenable number.

22145736001261 is a deficient number, since it is larger than the sum of its proper divisors (785866645139).

22145736001261 is a wasteful number, since it uses less digits than its factorization.

22145736001261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740685899.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 22145736001261 its reverse (16210063754122), we get a palindrome (38355799755383).

The spelling of 22145736001261 in words is "twenty-two trillion, one hundred forty-five billion, seven hundred thirty-six million, one thousand, two hundred sixty-one".