228265980090 has 64 divisors (see below), whose sum is σ = 571722838272. Its totient is φ = 58217702400.

The previous prime is 228265980071. The next prime is 228265980091. The reversal of 228265980090 is 90089562822.

It is a super-3 number, since 3×228265980090³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (228265980091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9427800 + ... + 9451980.

It is an arithmetic number, because the mean of its divisors is an integer number (8933169348).

Almost surely, 2^228265980090 is an apocalyptic number.

228265980090 is an abundant number, since it is smaller than the sum of its proper divisors (343456858182).

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

228265980090 is a wasteful number, since it uses less digits than its factorization.

228265980090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37895.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 228265980090 in words is "two hundred twenty-eight billion, two hundred sixty-five million, nine hundred eighty thousand, ninety".