21362727622 has 4 divisors (see below), whose sum is σ = 32044091436. Its totient is φ = 10681363810.

The previous prime is 21362727619. The next prime is 21362727623. The reversal of 21362727622 is 22672726312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21362727622² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21362727623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340681904 + ... + 5340681907.

It is an arithmetic number, because the mean of its divisors is an integer number (8011022859).

Almost surely, 2^21362727622 is an apocalyptic number.

21362727622 is a deficient number, since it is larger than the sum of its proper divisors (10681363814).

21362727622 is a wasteful number, since it uses less digits than its factorization.

21362727622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681363813.

The product of its digits is 169344, while the sum is 40.

The spelling of 21362727622 in words is "twenty-one billion, three hundred sixty-two million, seven hundred twenty-seven thousand, six hundred twenty-two".