22155259996 has 24 divisors (see below), whose sum is σ = 41074852896. Its totient is φ = 10420300800.

The previous prime is 22155259993. The next prime is 22155259999. The reversal of 22155259996 is 69995255122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22155259993) and next prime (22155259999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155259993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37396 + ... + 213796.

It is an arithmetic number, because the mean of its divisors is an integer number (1711452204).

Almost surely, 2^22155259996 is an apocalyptic number.

It is an amenable number.

22155259996 is a deficient number, since it is larger than the sum of its proper divisors (18919592900).

22155259996 is a wasteful number, since it uses less digits than its factorization.

22155259996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178269 (or 178267 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 55.

The spelling of 22155259996 in words is "twenty-two billion, one hundred fifty-five million, two hundred fifty-nine thousand, nine hundred ninety-six".