227421146 has 16 divisors (see below), whose sum is σ = 370671360. Its totient is φ = 104250240.

The previous prime is 227421143. The next prime is 227421149. The reversal of 227421146 is 641124722.

It is an interprime number because it is at equal distance from previous prime (227421143) and next prime (227421149).

It is not an unprimeable number, because it can be changed into a prime (227421143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95351 + ... + 97706.

It is an arithmetic number, because the mean of its divisors is an integer number (23166960).

Almost surely, 2^227421146 is an apocalyptic number.

227421146 is a deficient number, since it is larger than the sum of its proper divisors (143250214).

227421146 is a wasteful number, since it uses less digits than its factorization.

227421146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193109.

The product of its digits is 5376, while the sum is 29.

The square root of 227421146 is about 15080.4889178037. The cubic root of 227421146 is about 610.3940354795.

Adding to 227421146 its reverse (641124722), we get a palindrome (868545868).

The spelling of 227421146 in words is "two hundred twenty-seven million, four hundred twenty-one thousand, one hundred forty-six".