2226131366551 has 4 divisors (see below), whose sum is σ = 2226138808104. Its totient is φ = 2226123925000.

The previous prime is 2226131366527. The next prime is 2226131366597. The reversal of 2226131366551 is 1556631316222.

2226131366551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2226131366551 - 2¹³ = 2226131358359 is a prime.

It is a super-2 number, since 2×2226131366551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2226131366498 and 2226131366507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226131366951) 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, 3252400 + ... + 3876901.

It is an arithmetic number, because the mean of its divisors is an integer number (556534702026).

Almost surely, 2^{2226131366551} is an apocalyptic number.

2226131366551 is a deficient number, since it is larger than the sum of its proper divisors (7441553).

2226131366551 is an equidigital number, since it uses as much as digits as its factorization.

2226131366551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441552.

The product of its digits is 388800, while the sum is 43.

The spelling of 2226131366551 in words is "two trillion, two hundred twenty-six billion, one hundred thirty-one million, three hundred sixty-six thousand, five hundred fifty-one".