228872214553 has 6 divisors (see below), whose sum is σ = 236493350682. Its totient is φ = 221489238960.

The previous prime is 228872214533. The next prime is 228872214587. The reversal of 228872214553 is 355412278822.

It can be written as a sum of positive squares in only one way, i.e., 215879178384 + 12993036169 = 464628^2 + 113987^2 .

It is not a de Polignac number, because 228872214553 - 2⁹ = 228872214041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228872214497 and 228872214506.

It is not an unprimeable number, because it can be changed into a prime (228872214503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119079276 + ... + 119081197.

It is an arithmetic number, because the mean of its divisors is an integer number (39415558447).

Almost surely, 2^228872214553 is an apocalyptic number.

It is an amenable number.

228872214553 is a deficient number, since it is larger than the sum of its proper divisors (7621136129).

228872214553 is an equidigital number, since it uses as much as digits as its factorization.

228872214553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238160535 (or 238160504 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

The spelling of 228872214553 in words is "two hundred twenty-eight billion, eight hundred seventy-two million, two hundred fourteen thousand, five hundred fifty-three".