227198490 has 64 divisors (see below), whose sum is σ = 555206400. Its totient is φ = 59494400.

The previous prime is 227198479. The next prime is 227198497. The reversal of 227198490 is 94891722.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227198497) 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, 505786 + ... + 506234.

It is an arithmetic number, because the mean of its divisors is an integer number (8675100).

Almost surely, 2^227198490 is an apocalyptic number.

227198490 is an abundant number, since it is smaller than the sum of its proper divisors (328007910).

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

227198490 is a wasteful number, since it uses less digits than its factorization.

227198490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 227198490 is about 15073.1048560010. The cubic root of 227198490 is about 610.1947689435.

The spelling of 227198490 in words is "two hundred twenty-seven million, one hundred ninety-eight thousand, four hundred ninety".