226635322061 has 4 divisors (see below), whose sum is σ = 239966811612. Its totient is φ = 213303832512.

The previous prime is 226635322037. The next prime is 226635322091. The reversal of 226635322061 is 160223536622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160223536622 = 2 ⋅80111768311.

It can be written as a sum of positive squares in 2 ways, for example, as 106524557161 + 120110764900 = 326381^2 + 346570^2 .

It is a cyclic number.

It is not a de Polignac number, because 226635322061 - 2²² = 226631127757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226635322091) 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, 6665744750 + ... + 6665744783.

It is an arithmetic number, because the mean of its divisors is an integer number (59991702903).

Almost surely, 2^226635322061 is an apocalyptic number.

It is an amenable number.

226635322061 is a deficient number, since it is larger than the sum of its proper divisors (13331489551).

226635322061 is a wasteful number, since it uses less digits than its factorization.

226635322061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13331489550.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 226635322061 its reverse (160223536622), we get a palindrome (386858858683).

The spelling of 226635322061 in words is "two hundred twenty-six billion, six hundred thirty-five million, three hundred twenty-two thousand, sixty-one".