227207442 has 64 divisors (see below), whose sum is σ = 579769344. Its totient is φ = 57637440.

The previous prime is 227207441. The next prime is 227207443. The reversal of 227207442 is 244702722.

It is an interprime number because it is at equal distance from previous prime (227207441) and next prime (227207443).

It is not an unprimeable number, because it can be changed into a prime (227207441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14148 + ... + 25584.

It is an arithmetic number, because the mean of its divisors is an integer number (9058896).

Almost surely, 2^227207442 is an apocalyptic number.

227207442 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 227207442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289884672).

227207442 is an abundant number, since it is smaller than the sum of its proper divisors (352561902).

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

227207442 is a wasteful number, since it uses less digits than its factorization.

227207442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 227207442 is about 15073.4018058300. The cubic root of 227207442 is about 610.2027830693.

The spelling of 227207442 in words is "two hundred twenty-seven million, two hundred seven thousand, four hundred forty-two".