226161105625 has 40 divisors (see below), whose sum is σ = 347828909120. Its totient is φ = 143152488000.

The previous prime is 226161105619. The next prime is 226161105629. The reversal of 226161105625 is 526501161622.

It is not a de Polignac number, because 226161105625 - 2²⁵ = 226127551193 is a prime.

It is a super-2 number, since 2×226161105625² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226161105629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1931355 + ... + 2045104.

It is an arithmetic number, because the mean of its divisors is an integer number (8695722728).

Almost surely, 2^226161105625 is an apocalyptic number.

226161105625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226161105625 is a deficient number, since it is larger than the sum of its proper divisors (121667803495).

226161105625 is an equidigital number, since it uses as much as digits as its factorization.

226161105625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976499 (or 3976484 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 226161105625 in words is "two hundred twenty-six billion, one hundred sixty-one million, one hundred five thousand, six hundred twenty-five".