226610451459397 has 4 divisors (see below), whose sum is σ = 226610724598060. Its totient is φ = 226610178320736.

The previous prime is 226610451459391. The next prime is 226610451459401. The reversal of 226610451459397 is 793954154016622.

It is a Cunningham number, because it is equal to 15053586²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159906495231396 + 66703956228001 = 12645414^2 + 8167249^2 .

It is a cyclic number.

It is not a de Polignac number, because 226610451459397 - 2⁷ = 226610451459269 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 (226610451459391) 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, 135321048 + ... + 136985425.

It is an arithmetic number, because the mean of its divisors is an integer number (56652681149515).

Almost surely, 2^{226610451459397} is an apocalyptic number.

It is an amenable number.

226610451459397 is a deficient number, since it is larger than the sum of its proper divisors (273138663).

226610451459397 is an equidigital number, since it uses as much as digits as its factorization.

226610451459397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273138662.

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 226610451459397 in words is "two hundred twenty-six trillion, six hundred ten billion, four hundred fifty-one million, four hundred fifty-nine thousand, three hundred ninety-seven".