226405427551 has 4 divisors (see below), whose sum is σ = 226720317600. Its totient is φ = 226090537504.

The previous prime is 226405427531. The next prime is 226405427587. The reversal of 226405427551 is 155724504622.

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 226405427551 - 2³⁵ = 192045689183 is a prime.

It is a super-2 number, since 2×226405427551² (a number of 24 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 = 226405427498 and 226405427507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226405427531) 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, 157443946 + ... + 157445383.

It is an arithmetic number, because the mean of its divisors is an integer number (56680079400).

Almost surely, 2^226405427551 is an apocalyptic number.

226405427551 is a deficient number, since it is larger than the sum of its proper divisors (314890049).

226405427551 is an equidigital number, since it uses as much as digits as its factorization.

226405427551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314890048.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 226405427551 in words is "two hundred twenty-six billion, four hundred five million, four hundred twenty-seven thousand, five hundred fifty-one".