22145303354 has 4 divisors (see below), whose sum is σ = 33217955034. Its totient is φ = 11072651676.

The previous prime is 22145303311. The next prime is 22145303357. The reversal of 22145303354 is 45330354122.

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

It can be written as a sum of positive squares in only one way, i.e., 20590815025 + 1554488329 = 143495^2 + 39427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22145303354.

It is not an unprimeable number, because it can be changed into a prime (22145303357) 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 as a sum of consecutive naturals, namely, 5536325837 + ... + 5536325840.

Almost surely, 2^22145303354 is an apocalyptic number.

22145303354 is a deficient number, since it is larger than the sum of its proper divisors (11072651680).

22145303354 is a wasteful number, since it uses less digits than its factorization.

22145303354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072651679.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22145303354 its reverse (45330354122), we get a palindrome (67475657476).

The spelling of 22145303354 in words is "twenty-two billion, one hundred forty-five million, three hundred three thousand, three hundred fifty-four".