228451631233 has 16 divisors (see below), whose sum is σ = 276469749504. Its totient is φ = 184281062400.

The previous prime is 228451631231. The next prime is 228451631263. The reversal of 228451631233 is 332136154822.

It is a cyclic number.

It is not a de Polignac number, because 228451631233 - 2¹ = 228451631231 is a prime.

It is a super-2 number, since 2×228451631233² (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 (228451631231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398316 + ... + 1553122.

It is an arithmetic number, because the mean of its divisors is an integer number (17279359344).

Almost surely, 2^228451631233 is an apocalyptic number.

It is an amenable number.

228451631233 is a deficient number, since it is larger than the sum of its proper divisors (48018118271).

228451631233 is a wasteful number, since it uses less digits than its factorization.

228451631233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167232.

The product of its digits is 207360, while the sum is 40.

The spelling of 228451631233 in words is "two hundred twenty-eight billion, four hundred fifty-one million, six hundred thirty-one thousand, two hundred thirty-three".