226551402005 has 16 divisors (see below), whose sum is σ = 280295771760. Its totient is φ = 175656517632.

The previous prime is 226551402001. The next prime is 226551402013. The reversal of 226551402005 is 500204155622.

It can be written as a sum of positive squares in 8 ways, for example, as 37950546481 + 188600855524 = 194809^2 + 434282^2 .

It is a cyclic number.

It is not a de Polignac number, because 226551402005 - 2² = 226551402001 is a prime.

It is a super-2 number, since 2×226551402005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226551402001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334950 + ... + 2430039.

It is an arithmetic number, because the mean of its divisors is an integer number (17518485735).

Almost surely, 2^226551402005 is an apocalyptic number.

It is an amenable number.

226551402005 is a deficient number, since it is larger than the sum of its proper divisors (53744369755).

226551402005 is a wasteful number, since it uses less digits than its factorization.

226551402005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765288.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 226551402005 its reverse (500204155622), we get a palindrome (726755557627).

The spelling of 226551402005 in words is "two hundred twenty-six billion, five hundred fifty-one million, four hundred two thousand, five".