228157241899 has 8 divisors (see below), whose sum is σ = 235561986432. Its totient is φ = 220755299520.

The previous prime is 228157241869. The next prime is 228157241911. The reversal of 228157241899 is 998142751822.

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 228157241899 - 2¹¹ = 228157239851 is a prime.

It is a super-2 number, since 2×228157241899² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228157241869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534424 + ... + 861349.

It is an arithmetic number, because the mean of its divisors is an integer number (29445248304).

Almost surely, 2^228157241899 is an apocalyptic number.

228157241899 is a deficient number, since it is larger than the sum of its proper divisors (7404744533).

228157241899 is a wasteful number, since it uses less digits than its factorization.

228157241899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401077.

The product of its digits is 5806080, while the sum is 58.

The spelling of 228157241899 in words is "two hundred twenty-eight billion, one hundred fifty-seven million, two hundred forty-one thousand, eight hundred ninety-nine".