226154172 has 12 divisors (see below), whose sum is σ = 527693096. Its totient is φ = 75384720.

The previous prime is 226154161. The next prime is 226154191. The reversal of 226154172 is 271451622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×226154172² = 102291419026011168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9423079 + ... + 9423102.

Almost surely, 2^226154172 is an apocalyptic number.

It is an amenable number.

226154172 is an abundant number, since it is smaller than the sum of its proper divisors (301538924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226154172 is a wasteful number, since it uses less digits than its factorization.

226154172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18846188 (or 18846186 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 226154172 is about 15038.4231886192. The cubic root of 226154172 is about 609.2584126095.

The spelling of 226154172 in words is "two hundred twenty-six million, one hundred fifty-four thousand, one hundred seventy-two".