22702720061 has 4 divisors (see below), whose sum is σ = 25945965792. Its totient is φ = 19459474332.

The previous prime is 22702720043. The next prime is 22702720063. The reversal of 22702720061 is 16002720722.

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 22702720061 - 2⁶ = 22702719997 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 (22702720063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621622855 + ... + 1621622868.

It is an arithmetic number, because the mean of its divisors is an integer number (6486491448).

Almost surely, 2^22702720061 is an apocalyptic number.

It is an amenable number.

22702720061 is a deficient number, since it is larger than the sum of its proper divisors (3243245731).

22702720061 is an equidigital number, since it uses as much as digits as its factorization.

22702720061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243245730.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 22702720061 in words is "twenty-two billion, seven hundred two million, seven hundred twenty thousand, sixty-one".