22065137801 has 4 divisors (see below), whose sum is σ = 25217300352. Its totient is φ = 18912975252.

The previous prime is 22065137797. The next prime is 22065137851. The reversal of 22065137801 is 10873156022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22065137801 - 2² = 22065137797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22065137851) 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, 1576081265 + ... + 1576081278.

It is an arithmetic number, because the mean of its divisors is an integer number (6304325088).

Almost surely, 2^22065137801 is an apocalyptic number.

It is an amenable number.

22065137801 is a deficient number, since it is larger than the sum of its proper divisors (3152162551).

22065137801 is an equidigital number, since it uses as much as digits as its factorization.

22065137801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152162550.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 22065137801 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, eight hundred one".