225978425102 has 4 divisors (see below), whose sum is σ = 338967637656. Its totient is φ = 112989212550.

The previous prime is 225978425033. The next prime is 225978425161. The reversal of 225978425102 is 201524879522.

225978425102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×225978425102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56494606274 + ... + 56494606277.

It is an arithmetic number, because the mean of its divisors is an integer number (84741909414).

Almost surely, 2^225978425102 is an apocalyptic number.

225978425102 is a deficient number, since it is larger than the sum of its proper divisors (112989212554).

225978425102 is a wasteful number, since it uses less digits than its factorization.

225978425102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112989212553.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 225978425102 in words is "two hundred twenty-five billion, nine hundred seventy-eight million, four hundred twenty-five thousand, one hundred two".