227809152 has 128 divisors (see below), whose sum is σ = 695844000. Its totient is φ = 73285632.

The previous prime is 227809147. The next prime is 227809157. The reversal of 227809152 is 251908722.

It is an interprime number because it is at equal distance from previous prime (227809147) and next prime (227809157).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227809157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99088 + ... + 101360.

Almost surely, 2^227809152 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 227809152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347922000).

227809152 is an abundant number, since it is smaller than the sum of its proper divisors (468034848).

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

227809152 is a wasteful number, since it uses less digits than its factorization.

227809152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 227809152 is about 15093.3479387444. The cubic root of 227809152 is about 610.7409718278.

The spelling of 227809152 in words is "two hundred twenty-seven million, eight hundred nine thousand, one hundred fifty-two".