22153534215293 has 4 divisors (see below), whose sum is σ = 23857652231868. Its totient is φ = 20449416198720.

The previous prime is 22153534215259. The next prime is 22153534215359. The reversal of 22153534215293 is 39251243535122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9551332413529 + 12602201801764 = 3090523^2 + 3549958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22153534215293 - 2⁸ = 22153534215037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153534211293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852059008268 + ... + 852059008293.

It is an arithmetic number, because the mean of its divisors is an integer number (5964413057967).

Almost surely, 2^{22153534215293} is an apocalyptic number.

It is an amenable number.

22153534215293 is a deficient number, since it is larger than the sum of its proper divisors (1704118016575).

22153534215293 is a wasteful number, since it uses less digits than its factorization.

22153534215293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704118016574.

The product of its digits is 1944000, while the sum is 47.

The spelling of 22153534215293 in words is "twenty-two trillion, one hundred fifty-three billion, five hundred thirty-four million, two hundred fifteen thousand, two hundred ninety-three".