22012230544351 has 4 divisors (see below), whose sum is σ = 22017012697672. Its totient is φ = 22007448391032.

The previous prime is 22012230544303. The next prime is 22012230544361. The reversal of 22012230544351 is 15344503221022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012230544351 - 2¹³ = 22012230536159 is a prime.

It is a super-2 number, since 2×22012230544351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012230544361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391069756 + ... + 2391078961.

It is an arithmetic number, because the mean of its divisors is an integer number (5504253174418).

Almost surely, 2^{22012230544351} is an apocalyptic number.

22012230544351 is a deficient number, since it is larger than the sum of its proper divisors (4782153321).

22012230544351 is an equidigital number, since it uses as much as digits as its factorization.

22012230544351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782153320.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 22012230544351 its reverse (15344503221022), we get a palindrome (37356733765373).

The spelling of 22012230544351 in words is "twenty-two trillion, twelve billion, two hundred thirty million, five hundred forty-four thousand, three hundred fifty-one".