225978425101 has 16 divisors (see below), whose sum is σ = 265686337728. Its totient is φ = 189488534400.

The previous prime is 225978425033. The next prime is 225978425161. The reversal of 225978425101 is 101524879522.

It is not a de Polignac number, because 225978425101 - 2¹⁵ = 225978392333 is a prime.

It is a super-2 number, since 2×225978425101² (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 (225978425161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409231 + ... + 787036.

It is an arithmetic number, because the mean of its divisors is an integer number (16605396108).

Almost surely, 2^225978425101 is an apocalyptic number.

It is an amenable number.

225978425101 is a deficient number, since it is larger than the sum of its proper divisors (39707912627).

225978425101 is a wasteful number, since it uses less digits than its factorization.

225978425101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197612.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 225978425101 in words is "two hundred twenty-five billion, nine hundred seventy-eight million, four hundred twenty-five thousand, one hundred one".