226457356661 has 2 divisors, whose sum is σ = 226457356662. Its totient is φ = 226457356660.

The previous prime is 226457356591. The next prime is 226457356669. The reversal of 226457356661 is 166653754622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196240140100 + 30217216561 = 442990^2 + 173831^2 .

It is a cyclic number.

It is not a de Polignac number, because 226457356661 - 2¹⁸ = 226457094517 is a prime.

It is a super-2 number, since 2×226457356661² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226457356669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113228678330 + 113228678331.

It is an arithmetic number, because the mean of its divisors is an integer number (113228678331).

Almost surely, 2^226457356661 is an apocalyptic number.

It is an amenable number.

226457356661 is a deficient number, since it is larger than the sum of its proper divisors (1).

226457356661 is an equidigital number, since it uses as much as digits as its factorization.

226457356661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 53.

The spelling of 226457356661 in words is "two hundred twenty-six billion, four hundred fifty-seven million, three hundred fifty-six thousand, six hundred sixty-one".