225220543 has 8 divisors (see below), whose sum is σ = 226645776. Its totient is φ = 223800000.

The previous prime is 225220529. The next prime is 225220553. The reversal of 225220543 is 345022522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225220543 - 2⁵ = 225220511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225220553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150105 + ... + 151597.

It is an arithmetic number, because the mean of its divisors is an integer number (28330722).

Almost surely, 2^225220543 is an apocalyptic number.

225220543 is a deficient number, since it is larger than the sum of its proper divisors (1425233).

225220543 is a wasteful number, since it uses less digits than its factorization.

225220543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225220543 is about 15007.3496327633. The cubic root of 225220543 is about 608.4188586746.

The spelling of 225220543 in words is "two hundred twenty-five million, two hundred twenty thousand, five hundred forty-three".