226404640605 has 256 divisors, whose sum is σ = 447718440960. Its totient is φ = 96230400000.

The previous prime is 226404640601. The next prime is 226404640607. The reversal of 226404640605 is 506046404622.

It is not a de Polignac number, because 226404640605 - 2² = 226404640601 is a prime.

It is a super-2 number, since 2×226404640605² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226404640601) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 630653416 + ... + 630653774.

It is an arithmetic number, because the mean of its divisors is an integer number (1748900160).

Almost surely, 2^226404640605 is an apocalyptic number.

It is an amenable number.

226404640605 is a deficient number, since it is larger than the sum of its proper divisors (221313800355).

226404640605 is a wasteful number, since it uses less digits than its factorization.

226404640605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 226404640605 in words is "two hundred twenty-six billion, four hundred four million, six hundred forty thousand, six hundred five".