228988933937372 has 48 divisors (see below), whose sum is σ = 469514871275520. Its totient is φ = 95669642505600.

The previous prime is 228988933937341. The next prime is 228988933937399. The reversal of 228988933937372 is 273739339889822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76509704 + ... + 79446287.

It is an arithmetic number, because the mean of its divisors is an integer number (9781559818240).

Almost surely, 2^{228988933937372} is an apocalyptic number.

It is an amenable number.

228988933937372 is an abundant number, since it is smaller than the sum of its proper divisors (240525937338148).

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

228988933937372 is a wasteful number, since it uses less digits than its factorization.

228988933937372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155957322 (or 155957320 counting only the distinct ones).

The product of its digits is 11851370496, while the sum is 83.

The spelling of 228988933937372 in words is "two hundred twenty-eight trillion, nine hundred eighty-eight billion, nine hundred thirty-three million, nine hundred thirty-seven thousand, three hundred seventy-two".