225421161241 has 8 divisors (see below), whose sum is σ = 230699012544. Its totient is φ = 220144923600.

The previous prime is 225421161211. The next prime is 225421161257. The reversal of 225421161241 is 142161124522.

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 225421161241 - 2¹³ = 225421153049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225421161211) 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, 118426 + ... + 681811.

It is an arithmetic number, because the mean of its divisors is an integer number (28837376568).

Almost surely, 2^225421161241 is an apocalyptic number.

It is an amenable number.

225421161241 is a deficient number, since it is larger than the sum of its proper divisors (5277851303).

225421161241 is an equidigital number, since it uses as much as digits as its factorization.

225421161241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806831.

The product of its digits is 7680, while the sum is 31.

Adding to 225421161241 its reverse (142161124522), we get a palindrome (367582285763).

The spelling of 225421161241 in words is "two hundred twenty-five billion, four hundred twenty-one million, one hundred sixty-one thousand, two hundred forty-one".