22145230514236 has 12 divisors (see below), whose sum is σ = 39801562951528. Its totient is φ = 10773355385232.

The previous prime is 22145230514219. The next prime is 22145230514237. The reversal of 22145230514236 is 63241503254122.

It is a super-2 number, since 2×22145230514236² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145230514237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74814967806 + ... + 74814968101.

Almost surely, 2^{22145230514236} is an apocalyptic number.

It is an amenable number.

22145230514236 is a deficient number, since it is larger than the sum of its proper divisors (17656332437292).

22145230514236 is a wasteful number, since it uses less digits than its factorization.

22145230514236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149629935948 (or 149629935946 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 22145230514236 its reverse (63241503254122), we get a palindrome (85386733768358).

The spelling of 22145230514236 in words is "twenty-two trillion, one hundred forty-five billion, two hundred thirty million, five hundred fourteen thousand, two hundred thirty-six".