226521047461 has 4 divisors (see below), whose sum is σ = 227294157132. Its totient is φ = 225747937792.

The previous prime is 226521047419. The next prime is 226521047471. The reversal of 226521047461 is 164740125622.

It is a happy number.

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 138849390625 + 87671656836 = 372625^2 + 296094^2 .

It is a cyclic number.

It is not a de Polignac number, because 226521047461 - 2⁹ = 226521046949 is a prime.

It is a super-2 number, since 2×226521047461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226521047411) 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, 386554396 + ... + 386554981.

It is an arithmetic number, because the mean of its divisors is an integer number (56823539283).

Almost surely, 2^226521047461 is an apocalyptic number.

It is an amenable number.

226521047461 is a deficient number, since it is larger than the sum of its proper divisors (773109671).

226521047461 is an equidigital number, since it uses as much as digits as its factorization.

226521047461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773109670.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 226521047461 in words is "two hundred twenty-six billion, five hundred twenty-one million, forty-seven thousand, four hundred sixty-one".