226549658579 has 4 divisors (see below), whose sum is σ = 238473324840. Its totient is φ = 214625992320.

The previous prime is 226549658567. The next prime is 226549658581. The reversal of 226549658579 is 975856945622.

It is a happy number.

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 226549658579 - 2¹² = 226549654483 is a prime.

It is a super-2 number, since 2×226549658579² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226549058579) 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, 5961833102 + ... + 5961833139.

It is an arithmetic number, because the mean of its divisors is an integer number (59618331210).

Almost surely, 2^226549658579 is an apocalyptic number.

226549658579 is a deficient number, since it is larger than the sum of its proper divisors (11923666261).

226549658579 is a wasteful number, since it uses less digits than its factorization.

226549658579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11923666260.

The product of its digits is 326592000, while the sum is 68.

The spelling of 226549658579 in words is "two hundred twenty-six billion, five hundred forty-nine million, six hundred fifty-eight thousand, five hundred seventy-nine".