228389622 has 8 divisors (see below), whose sum is σ = 456779256. Its totient is φ = 76129872.

The previous prime is 228389621. The next prime is 228389647. The reversal of 228389622 is 226983822.

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

228389622 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228389621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19032463 + ... + 19032474.

It is an arithmetic number, because the mean of its divisors is an integer number (57097407).

Almost surely, 2^228389622 is an apocalyptic number.

228389622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228389622 is a wasteful number, since it uses less digits than its factorization.

228389622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38064942.

The product of its digits is 165888, while the sum is 42.

The square root of 228389622 is about 15112.5650370809. The cubic root of 228389622 is about 611.2592655033.

The spelling of 228389622 in words is "two hundred twenty-eight million, three hundred eighty-nine thousand, six hundred twenty-two".