228487226437 has 8 divisors (see below), whose sum is σ = 231907550336. Its totient is φ = 225067198752.

The previous prime is 228487226399. The next prime is 228487226441. The reversal of 228487226437 is 734622784822.

It is a happy number.

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 228487226437 - 2¹¹ = 228487224389 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 (228487226477) 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, 1852228 + ... + 1971730.

It is an arithmetic number, because the mean of its divisors is an integer number (28988443792).

Almost surely, 2^228487226437 is an apocalyptic number.

It is an amenable number.

228487226437 is a deficient number, since it is larger than the sum of its proper divisors (3420323899).

228487226437 is a wasteful number, since it uses less digits than its factorization.

228487226437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148107.

The product of its digits is 14450688, while the sum is 55.

The spelling of 228487226437 in words is "two hundred twenty-eight billion, four hundred eighty-seven million, two hundred twenty-six thousand, four hundred thirty-seven".