226522613661 has 16 divisors (see below), whose sum is σ = 312885753600. Its totient is φ = 145601967168.

The previous prime is 226522613657. The next prime is 226522613663. The reversal of 226522613661 is 166316225622.

It is not a de Polignac number, because 226522613661 - 2² = 226522613657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226522613663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774501 + ... + 1897866.

It is an arithmetic number, because the mean of its divisors is an integer number (19555359600).

Almost surely, 2^226522613661 is an apocalyptic number.

It is an amenable number.

226522613661 is a deficient number, since it is larger than the sum of its proper divisors (86363139939).

226522613661 is a wasteful number, since it uses less digits than its factorization.

226522613661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673108.

The product of its digits is 311040, while the sum is 42.

The spelling of 226522613661 in words is "two hundred twenty-six billion, five hundred twenty-two million, six hundred thirteen thousand, six hundred sixty-one".