22145520353 has 8 divisors (see below), whose sum is σ = 25209130176. Its totient is φ = 19256974000.

The previous prime is 22145520347. The next prime is 22145520367. The reversal of 22145520353 is 35302554122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22145520353 - 2⁶ = 22145520289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145520323) 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, 43765598 + ... + 43766103.

It is an arithmetic number, because the mean of its divisors is an integer number (3151141272).

Almost surely, 2^22145520353 is an apocalyptic number.

22145520353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22145520353 is a deficient number, since it is larger than the sum of its proper divisors (3063609823).

22145520353 is a wasteful number, since it uses less digits than its factorization.

22145520353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87531735.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 22145520353 in words is "twenty-two billion, one hundred forty-five million, five hundred twenty thousand, three hundred fifty-three".