908142228 has 72 divisors (see below), whose sum is σ = 2627660672. Its totient is φ = 259060032.

The previous prime is 908142211. The next prime is 908142239. The reversal of 908142228 is 822241809.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 908142192 and 908142201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180726 + ... + 185682.

Almost surely, 2^908142228 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 908142228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313830336).

908142228 is an abundant number, since it is smaller than the sum of its proper divisors (1719518444).

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

908142228 is a wasteful number, since it uses less digits than its factorization.

908142228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 908142228 is about 30135.3982552081. The cubic root of 908142228 is about 968.3922166369.

The spelling of 908142228 in words is "nine hundred eight million, one hundred forty-two thousand, two hundred twenty-eight".