38322228 has 48 divisors (see below), whose sum is σ = 103227264. Its totient is φ = 10838400.

The previous prime is 38322227. The next prime is 38322239. The reversal of 38322228 is 82222383.

It is a junction number, because it is equal to n+sod(n) for n = 38322195 and 38322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38322227) 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, 6226 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (2150568).

Almost surely, 2^38322228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38322228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51613632).

38322228 is an abundant number, since it is smaller than the sum of its proper divisors (64905036).

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

38322228 is a wasteful number, since it uses less digits than its factorization.

38322228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632 (or 4630 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 38322228 is about 6190.4949721327. The cubic root of 38322228 is about 337.1451502217.

It can be divided in two parts, 383222 and 28, that added together give a triangular number (383250 = T₈₇₅).

The spelling of 38322228 in words is "thirty-eight million, three hundred twenty-two thousand, two hundred twenty-eight".