225978425103 has 4 divisors (see below), whose sum is σ = 301304566808. Its totient is φ = 150652283400.

The previous prime is 225978425033. The next prime is 225978425161. The reversal of 225978425103 is 301524879522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225978425103 - 2²² = 225974230799 is a prime.

It is a super-2 number, since 2×225978425103² (a number of 24 digits) 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 (225978425173) 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, 37663070848 + ... + 37663070853.

It is an arithmetic number, because the mean of its divisors is an integer number (75326141702).

Almost surely, 2^225978425103 is an apocalyptic number.

225978425103 is a deficient number, since it is larger than the sum of its proper divisors (75326141705).

225978425103 is an equidigital number, since it uses as much as digits as its factorization.

225978425103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75326141704.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 225978425103 in words is "two hundred twenty-five billion, nine hundred seventy-eight million, four hundred twenty-five thousand, one hundred three".