228141751 has 4 divisors (see below), whose sum is σ = 241561872. Its totient is φ = 214721632.

The previous prime is 228141709. The next prime is 228141757. The reversal of 228141751 is 157141822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157141822 = 2 ⋅78570911.

It is a cyclic number.

It is not a de Polignac number, because 228141751 - 2⁹ = 228141239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141757) 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, 6710035 + ... + 6710068.

It is an arithmetic number, because the mean of its divisors is an integer number (60390468).

Almost surely, 2^228141751 is an apocalyptic number.

228141751 is a deficient number, since it is larger than the sum of its proper divisors (13420121).

228141751 is a wasteful number, since it uses less digits than its factorization.

228141751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420120.

The product of its digits is 4480, while the sum is 31.

The square root of 228141751 is about 15104.3619858636. The cubic root of 228141751 is about 611.0380524587.

The spelling of 228141751 in words is "two hundred twenty-eight million, one hundred forty-one thousand, seven hundred fifty-one".