226997222546329 has 3 divisors (see below), whose sum is σ = 226997237612757. Its totient is φ = 226997207479902.

The previous prime is 226997222546327. The next prime is 226997222546407. The reversal of 226997222546329 is 923645222799622.

The square root of 226997222546329 is 15066427.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 226997222546329 - 2¹ = 226997222546327 is a prime.

It is a super-2 number, since 2×226997222546329² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226997222546327) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7533214 + ... + 22599640.

It is an arithmetic number, because the mean of its divisors is an integer number (75665745870919).

Almost surely, 2^{226997222546329} is an apocalyptic number.

226997222546329 is the 15066427-th square number.

226997222546329 is the 7533214-th centered octagonal number.

It is an amenable number.

226997222546329 is a deficient number, since it is larger than the sum of its proper divisors (15066428).

226997222546329 is an frugal number, since it uses more digits than its factorization.

226997222546329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30132854 (or 15066427 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 70.

The spelling of 226997222546329 in words is "two hundred twenty-six trillion, nine hundred ninety-seven billion, two hundred twenty-two million, five hundred forty-six thousand, three hundred twenty-nine".