226563445 has 4 divisors (see below), whose sum is σ = 271876140. Its totient is φ = 181250752.

The previous prime is 226563433. The next prime is 226563451. The reversal of 226563445 is 544365622.

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 117548964 + 109014481 = 10842^2 + 10441^2 .

It is a cyclic number.

It is not a de Polignac number, because 226563445 - 2⁹ = 226562933 is a prime.

It is a super-2 number, since 2×226563445² = 102661989220536050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22656340 + ... + 22656349.

It is an arithmetic number, because the mean of its divisors is an integer number (67969035).

Almost surely, 2^226563445 is an apocalyptic number.

It is an amenable number.

226563445 is a deficient number, since it is larger than the sum of its proper divisors (45312695).

226563445 is an equidigital number, since it uses as much as digits as its factorization.

226563445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312694.

The product of its digits is 172800, while the sum is 37.

The square root of 226563445 is about 15052.0246146490. The cubic root of 226563445 is about 609.6257177218.

The spelling of 226563445 in words is "two hundred twenty-six million, five hundred sixty-three thousand, four hundred forty-five".