22135152443354 has 4 divisors (see below), whose sum is σ = 33202728665034. Its totient is φ = 11067576221676.

The previous prime is 22135152443317. The next prime is 22135152443359. The reversal of 22135152443354 is 45334425153122.

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., 11491605065329 + 10643547378025 = 3389927^2 + 3262445^2 .

It is not an unprimeable number, because it can be changed into a prime (22135152443359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533788110837 + ... + 5533788110840.

Almost surely, 2^{22135152443354} is an apocalyptic number.

22135152443354 is a deficient number, since it is larger than the sum of its proper divisors (11067576221680).

22135152443354 is a wasteful number, since it uses less digits than its factorization.

22135152443354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067576221679.

The product of its digits is 1728000, while the sum is 44.

Adding to 22135152443354 its reverse (45334425153122), we get a palindrome (67469577596476).

The spelling of 22135152443354 in words is "twenty-two trillion, one hundred thirty-five billion, one hundred fifty-two million, four hundred forty-three thousand, three hundred fifty-four".