228997267548 has 24 divisors (see below), whose sum is σ = 610659380352. Its totient is φ = 65427790704.

The previous prime is 228997267547. The next prime is 228997267589. The reversal of 228997267548 is 845762799822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228997267547) 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, 1363078890 + ... + 1363079057.

It is an arithmetic number, because the mean of its divisors is an integer number (25444140848).

Almost surely, 2^228997267548 is an apocalyptic number.

228997267548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228997267548 is an abundant number, since it is smaller than the sum of its proper divisors (381662112804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228997267548 is a wasteful number, since it uses less digits than its factorization.

228997267548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726157961 (or 2726157959 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 69.

The spelling of 228997267548 in words is "two hundred twenty-eight billion, nine hundred ninety-seven million, two hundred sixty-seven thousand, five hundred forty-eight".