22424072087 has 4 divisors (see below), whose sum is σ = 22425891000. Its totient is φ = 22422253176.

The previous prime is 22424071993. The next prime is 22424072123. The reversal of 22424072087 is 78027042422.

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

It is a cyclic number.

It is not a de Polignac number, because 22424072087 - 2¹⁰ = 22424071063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22424072087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424078087) 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, 890837 + ... + 915662.

It is an arithmetic number, because the mean of its divisors is an integer number (5606472750).

Almost surely, 2^22424072087 is an apocalyptic number.

22424072087 is a deficient number, since it is larger than the sum of its proper divisors (1818913).

22424072087 is a wasteful number, since it uses less digits than its factorization.

22424072087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818912.

The product of its (nonzero) digits is 100352, while the sum is 38.

The spelling of 22424072087 in words is "twenty-two billion, four hundred twenty-four million, seventy-two thousand, eighty-seven".