226513481 has 4 divisors (see below), whose sum is σ = 226666692. Its totient is φ = 226360272.

The previous prime is 226513433. The next prime is 226513493. The reversal of 226513481 is 184315622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184315622 = 2 ⋅92157811.

It can be written as a sum of positive squares in 2 ways, for example, as 98823481 + 127690000 = 9941^2 + 11300^2 .

It is a cyclic number.

It is not a de Polignac number, because 226513481 - 2¹⁰ = 226512457 is a prime.

It is a super-2 number, since 2×226513481² = 102616714149474722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226513081) 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, 74366 + ... + 77351.

It is an arithmetic number, because the mean of its divisors is an integer number (56666673).

Almost surely, 2^226513481 is an apocalyptic number.

It is an amenable number.

226513481 is a deficient number, since it is larger than the sum of its proper divisors (153211).

226513481 is a wasteful number, since it uses less digits than its factorization.

226513481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153210.

The product of its digits is 11520, while the sum is 32.

The square root of 226513481 is about 15050.3648128542. The cubic root of 226513481 is about 609.5809008734.

The spelling of 226513481 in words is "two hundred twenty-six million, five hundred thirteen thousand, four hundred eighty-one".