229155426 has 16 divisors (see below), whose sum is σ = 509234400. Its totient is φ = 76385124.

The previous prime is 229155403. The next prime is 229155431. The reversal of 229155426 is 624551922.

229155426 is a `hidden beast` number, since 22 + 91 + 5 + 542 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121756 + ... + 2121863.

It is an arithmetic number, because the mean of its divisors is an integer number (31827150).

Almost surely, 2^229155426 is an apocalyptic number.

229155426 is an abundant number, since it is smaller than the sum of its proper divisors (280078974).

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

229155426 is a wasteful number, since it uses less digits than its factorization.

229155426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243630 (or 4243624 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 229155426 is about 15137.8804989338. The cubic root of 229155426 is about 611.9416995598.

The spelling of 229155426 in words is "two hundred twenty-nine million, one hundred fifty-five thousand, four hundred twenty-six".