225401421343 has 10 divisors (see below), whose sum is σ = 262952681344. Its totient is φ = 193201216236.

The previous prime is 225401421263. The next prime is 225401421379. The reversal of 225401421343 is 343124104522.

It is not a de Polignac number, because 225401421343 - 2⁹ = 225401420831 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 (225401421743) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 46936671 + ... + 46941472.

Almost surely, 2^225401421343 is an apocalyptic number.

225401421343 is a deficient number, since it is larger than the sum of its proper divisors (37551260001).

225401421343 is an frugal number, since it uses more digits than its factorization.

225401421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93878171 (or 93878150 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 225401421343 its reverse (343124104522), we get a palindrome (568525525865).

The spelling of 225401421343 in words is "two hundred twenty-five billion, four hundred one million, four hundred twenty-one thousand, three hundred forty-three".