228662622 has 64 divisors (see below), whose sum is σ = 529689600. Its totient is φ = 73029600.

The previous prime is 228662591. The next prime is 228662633. The reversal of 228662622 is 226266822.

It is a happy number.

228662622 is a `hidden beast` number, since 2 + 2 + 8 + 6 + 626 + 22 = 666.

Its product of digits (55296) is a multiple of the sum of its prime divisors (1152).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235983 + ... + 236949.

It is an arithmetic number, because the mean of its divisors is an integer number (8276400).

Almost surely, 2^228662622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228662622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264844800).

228662622 is an abundant number, since it is smaller than the sum of its proper divisors (301026978).

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

228662622 is a wasteful number, since it uses less digits than its factorization.

228662622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1152 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 228662622 is about 15121.5945587759. The cubic root of 228662622 is about 611.5027198433.

The spelling of 228662622 in words is "two hundred twenty-eight million, six hundred sixty-two thousand, six hundred twenty-two".