226420229 has 36 divisors (see below), whose sum is σ = 285583680. Its totient is φ = 178899840.

The previous prime is 226420217. The next prime is 226420237. The reversal of 226420229 is 922024622.

It is not a de Polignac number, because 226420229 - 2²⁴ = 209643013 is a prime.

It is a super-2 number, since 2×226420229² = 102532240200824882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226420289) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 835364 + ... + 835634.

It is an arithmetic number, because the mean of its divisors is an integer number (7932880).

Almost surely, 2^226420229 is an apocalyptic number.

It is an amenable number.

226420229 is a deficient number, since it is larger than the sum of its proper divisors (59163451).

226420229 is a wasteful number, since it uses less digits than its factorization.

226420229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 226420229 is about 15047.2664959454. The cubic root of 226420229 is about 609.4972378019.

The spelling of 226420229 in words is "two hundred twenty-six million, four hundred twenty thousand, two hundred twenty-nine".