228137595552 has 192 divisors, whose sum is σ = 670481884800. Its totient is φ = 75467427840.

The previous prime is 228137595547. The next prime is 228137595577. The reversal of 228137595552 is 255595731822.

228137595552 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 37 + 59 + 5 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70914648 + ... + 70917864.

It is an arithmetic number, because the mean of its divisors is an integer number (3492093150).

Almost surely, 2^228137595552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228137595552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335240942400).

228137595552 is an abundant number, since it is smaller than the sum of its proper divisors (442344289248).

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

228137595552 is a wasteful number, since it uses less digits than its factorization.

228137595552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836 (or 3822 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 54.

The spelling of 228137595552 in words is "two hundred twenty-eight billion, one hundred thirty-seven million, five hundred ninety-five thousand, five hundred fifty-two".