227261155152 has 40 divisors (see below), whose sum is σ = 589273846560. Its totient is φ = 75472101760.

The previous prime is 227261155087. The next prime is 227261155207. The reversal of 227261155152 is 251551162722.

It is a super-2 number, since 2×227261155152² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 227261155152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8787474 + ... + 8813297.

It is an arithmetic number, because the mean of its divisors is an integer number (14731846164).

Almost surely, 2^227261155152 is an apocalyptic number.

It is an amenable number.

227261155152 is an abundant number, since it is smaller than the sum of its proper divisors (362012691408).

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

227261155152 is a wasteful number, since it uses less digits than its factorization.

227261155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17601051 (or 17601045 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The spelling of 227261155152 in words is "two hundred twenty-seven billion, two hundred sixty-one million, one hundred fifty-five thousand, one hundred fifty-two".