228442542 has 8 divisors (see below), whose sum is σ = 456885096. Its totient is φ = 76147512.

The previous prime is 228442537. The next prime is 228442547. The reversal of 228442542 is 245244822.

It is an interprime number because it is at equal distance from previous prime (228442537) and next prime (228442547).

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

228442542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228442547) 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, 19036873 + ... + 19036884.

It is an arithmetic number, because the mean of its divisors is an integer number (57110637).

Almost surely, 2^228442542 is an apocalyptic number.

228442542 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.

228442542 is a wasteful number, since it uses less digits than its factorization.

228442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38073762.

The product of its digits is 40960, while the sum is 33.

The square root of 228442542 is about 15114.3157966214. The cubic root of 228442542 is about 611.3064733433.

The spelling of 228442542 in words is "two hundred twenty-eight million, four hundred forty-two thousand, five hundred forty-two".