226625421 has 8 divisors (see below), whose sum is σ = 329637024. Its totient is φ = 137348720.

The previous prime is 226625411. The next prime is 226625447. The reversal of 226625421 is 124526622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226625421 - 2¹⁰ = 226624397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226625411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433686 + ... + 3433751.

It is an arithmetic number, because the mean of its divisors is an integer number (41204628).

Almost surely, 2^226625421 is an apocalyptic number.

It is an amenable number.

226625421 is a deficient number, since it is larger than the sum of its proper divisors (103011603).

226625421 is a wasteful number, since it uses less digits than its factorization.

226625421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867451.

The product of its digits is 11520, while the sum is 30.

The square root of 226625421 is about 15054.0832002484. The cubic root of 226625421 is about 609.6812999730.

The spelling of 226625421 in words is "two hundred twenty-six million, six hundred twenty-five thousand, four hundred twenty-one".