225213541 has 8 divisors (see below), whose sum is σ = 260913344. Its totient is φ = 190395360.

The previous prime is 225213509. The next prime is 225213551. The reversal of 225213541 is 145312522.

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 225213541 - 2⁵ = 225213509 is a prime.

It is a super-2 number, since 2×225213541² = 101442278099517362, which 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 (225213551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219855 + ... + 220876.

It is an arithmetic number, because the mean of its divisors is an integer number (32614168).

Almost surely, 2^225213541 is an apocalyptic number.

It is an amenable number.

225213541 is a deficient number, since it is larger than the sum of its proper divisors (35699803).

225213541 is an equidigital number, since it uses as much as digits as its factorization.

225213541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440811.

The product of its digits is 2400, while the sum is 25.

The square root of 225213541 is about 15007.1163452543. The cubic root of 225213541 is about 608.4125534579.

It can be divided in two parts, 22521 and 3541, that added together give a palindrome (26062).

The spelling of 225213541 in words is "two hundred twenty-five million, two hundred thirteen thousand, five hundred forty-one".