226428555 has 16 divisors (see below), whose sum is σ = 366022944. Its totient is φ = 119516160.

The previous prime is 226428551. The next prime is 226428571. The reversal of 226428555 is 555824622.

It is a happy number.

It is not a de Polignac number, because 226428555 - 2² = 226428551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226428551) 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, 76356 + ... + 79265.

It is an arithmetic number, because the mean of its divisors is an integer number (22876434).

Almost surely, 2^226428555 is an apocalyptic number.

226428555 is a deficient number, since it is larger than the sum of its proper divisors (139594389).

226428555 is a wasteful number, since it uses less digits than its factorization.

226428555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155726.

The product of its digits is 192000, while the sum is 39.

The square root of 226428555 is about 15047.5431549473. The cubic root of 226428555 is about 609.5047085888.

The spelling of 226428555 in words is "two hundred twenty-six million, four hundred twenty-eight thousand, five hundred fifty-five".