22146553205 has 16 divisors (see below), whose sum is σ = 30419829504. Its totient is φ = 15162501120.

The previous prime is 22146553139. The next prime is 22146553213. The reversal of 22146553205 is 50235564122.

It is not a de Polignac number, because 22146553205 - 2¹² = 22146549109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471137 + ... + 516006.

It is an arithmetic number, because the mean of its divisors is an integer number (1901239344).

Almost surely, 2^22146553205 is an apocalyptic number.

It is an amenable number.

22146553205 is a deficient number, since it is larger than the sum of its proper divisors (8273276299).

22146553205 is an equidigital number, since it uses as much as digits as its factorization.

22146553205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987796.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 22146553205 in words is "twenty-two billion, one hundred forty-six million, five hundred fifty-three thousand, two hundred five".