227958817152 has 128 divisors (see below), whose sum is σ = 664382891520. Its totient is φ = 68678912000.

The previous prime is 227958817147. The next prime is 227958817169. The reversal of 227958817152 is 251718859722.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×227958817152² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227958817092 and 227958817101.

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, 574777 + ... + 886727.

It is an arithmetic number, because the mean of its divisors is an integer number (5190491340).

Almost surely, 2^227958817152 is an apocalyptic number.

227958817152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227958817152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332191445760).

227958817152 is an abundant number, since it is smaller than the sum of its proper divisors (436424074368).

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

227958817152 is a wasteful number, since it uses less digits than its factorization.

227958817152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312152 (or 312140 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 57.

The spelling of 227958817152 in words is "two hundred twenty-seven billion, nine hundred fifty-eight million, eight hundred seventeen thousand, one hundred fifty-two".