225400421141 has 4 divisors (see below), whose sum is σ = 257600481312. Its totient is φ = 193200360972.

The previous prime is 225400421093. The next prime is 225400421143. The reversal of 225400421141 is 141124004522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141124004522 = 2 ⋅70562002261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225400421141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225400421141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225400421143) 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, 16100030075 + ... + 16100030088.

It is an arithmetic number, because the mean of its divisors is an integer number (64400120328).

Almost surely, 2^225400421141 is an apocalyptic number.

It is an amenable number.

225400421141 is a deficient number, since it is larger than the sum of its proper divisors (32200060171).

225400421141 is an equidigital number, since it uses as much as digits as its factorization.

225400421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32200060170.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 225400421141 its reverse (141124004522), we get a palindrome (366524425663).

The spelling of 225400421141 in words is "two hundred twenty-five billion, four hundred million, four hundred twenty-one thousand, one hundred forty-one".