227148090 has 64 divisors (see below), whose sum is σ = 595921536. Its totient is φ = 55072512.

The previous prime is 227148083. The next prime is 227148107. The reversal of 227148090 is 90841722.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21784 + ... + 30476.

It is an arithmetic number, because the mean of its divisors is an integer number (9311274).

Almost surely, 2^227148090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227148090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297960768).

227148090 is an abundant number, since it is smaller than the sum of its proper divisors (368773446).

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

227148090 is a wasteful number, since it uses less digits than its factorization.

227148090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 227148090 is about 15071.4329113061. The cubic root of 227148090 is about 610.1496452711.

The spelling of 227148090 in words is "two hundred twenty-seven million, one hundred forty-eight thousand, ninety".