227537442 has 48 divisors (see below), whose sum is σ = 546661440. Its totient is φ = 67816800.

The previous prime is 227537441. The next prime is 227537447. The reversal of 227537442 is 244735722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 227537397 and 227537406.

It is not an unprimeable number, because it can be changed into a prime (227537441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2659 + ... + 21497.

It is an arithmetic number, because the mean of its divisors is an integer number (11388780).

Almost surely, 2^227537442 is an apocalyptic number.

227537442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 227537442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273330720).

227537442 is an abundant number, since it is smaller than the sum of its proper divisors (319123998).

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

227537442 is a wasteful number, since it uses less digits than its factorization.

227537442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18919 (or 18916 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 227537442 is about 15084.3442681477. The cubic root of 227537442 is about 610.4980631676.

The spelling of 227537442 in words is "two hundred twenty-seven million, five hundred thirty-seven thousand, four hundred forty-two".