228360942 has 48 divisors (see below), whose sum is σ = 519192960. Its totient is φ = 72446400.

The previous prime is 228360919. The next prime is 228360959. The reversal of 228360942 is 249063822.

228360942 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 609 + 42 = 666.

It is a super-2 number, since 2×228360942² = 104297439662254728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228360897 and 228360906.

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, 30684 + ... + 37392.

It is an arithmetic number, because the mean of its divisors is an integer number (10816520).

Almost surely, 2^228360942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228360942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259596480).

228360942 is an abundant number, since it is smaller than the sum of its proper divisors (290832018).

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

228360942 is a wasteful number, since it uses less digits than its factorization.

228360942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809 (or 6806 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 228360942 is about 15111.6161279990. The cubic root of 228360942 is about 611.2336781620.

The spelling of 228360942 in words is "two hundred twenty-eight million, three hundred sixty thousand, nine hundred forty-two".