22199547645653 has 4 divisors (see below), whose sum is σ = 25370911595040. Its totient is φ = 19028183696268.

The previous prime is 22199547645601. The next prime is 22199547645689. The reversal of 22199547645653 is 35654674599122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22199547645653 - 2¹⁰ = 22199547644629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22199547645553) 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, 1585681974683 + ... + 1585681974696.

It is an arithmetic number, because the mean of its divisors is an integer number (6342727898760).

Almost surely, 2^{22199547645653} is an apocalyptic number.

It is an amenable number.

22199547645653 is a deficient number, since it is larger than the sum of its proper divisors (3171363949387).

22199547645653 is an equidigital number, since it uses as much as digits as its factorization.

22199547645653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171363949386.

The product of its digits is 489888000, while the sum is 68.

The spelling of 22199547645653 in words is "twenty-two trillion, one hundred ninety-nine billion, five hundred forty-seven million, six hundred forty-five thousand, six hundred fifty-three".