22540032210001 has 4 divisors (see below), whose sum is σ = 22540539307572. Its totient is φ = 22539525112432.

The previous prime is 22540032209953. The next prime is 22540032210019. The reversal of 22540032210001 is 10001223004522.

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 1085349323601 + 21454682886400 = 1041801^2 + 4631920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22540032210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22540032210071) 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, 253482106 + ... + 253571011.

It is an arithmetic number, because the mean of its divisors is an integer number (5635134826893).

Almost surely, 2^{22540032210001} is an apocalyptic number.

It is an amenable number.

22540032210001 is a deficient number, since it is larger than the sum of its proper divisors (507097571).

22540032210001 is an equidigital number, since it uses as much as digits as its factorization.

22540032210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507097570.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22540032210001 its reverse (10001223004522), we get a palindrome (32541255214523).

The spelling of 22540032210001 in words is "twenty-two trillion, five hundred forty billion, thirty-two million, two hundred ten thousand, one".