22244467887 has 32 divisors (see below), whose sum is σ = 34904260800. Its totient is φ = 13952922624.

The previous prime is 22244467879. The next prime is 22244467933. The reversal of 22244467887 is 78876444222.

It is not a de Polignac number, because 22244467887 - 2³ = 22244467879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244467807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2067939 + ... + 2078667.

It is an arithmetic number, because the mean of its divisors is an integer number (1090758150).

Almost surely, 2^22244467887 is an apocalyptic number.

22244467887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22244467887 is a deficient number, since it is larger than the sum of its proper divisors (12659792913).

22244467887 is a wasteful number, since it uses less digits than its factorization.

22244467887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15272 (or 15266 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 54.

The spelling of 22244467887 in words is "twenty-two billion, two hundred forty-four million, four hundred sixty-seven thousand, eight hundred eighty-seven".