228142837 has 8 divisors (see below), whose sum is σ = 248079104. Its totient is φ = 208547568.

The previous prime is 228142829. The next prime is 228142843. The reversal of 228142837 is 738241822.

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

It is a cyclic number.

It is not a de Polignac number, because 228142837 - 2³ = 228142829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228142796 and 228142805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228142897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83853 + ... + 86530.

It is an arithmetic number, because the mean of its divisors is an integer number (31009888).

Almost surely, 2^228142837 is an apocalyptic number.

It is an amenable number.

228142837 is a deficient number, since it is larger than the sum of its proper divisors (19936267).

228142837 is a wasteful number, since it uses less digits than its factorization.

228142837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170499.

The product of its digits is 43008, while the sum is 37.

The square root of 228142837 is about 15104.3979357007. The cubic root of 228142837 is about 611.0390220113.

It can be divided in two parts, 22814 and 2837, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 228142837 in words is "two hundred twenty-eight million, one hundred forty-two thousand, eight hundred thirty-seven".