227431990 has 8 divisors (see below), whose sum is σ = 409377600. Its totient is φ = 90972792.

The previous prime is 227431979. The next prime is 227431993. The reversal of 227431990 is 99134722.

227431990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227431993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11371590 + ... + 11371609.

It is an arithmetic number, because the mean of its divisors is an integer number (51172200).

Almost surely, 2^227431990 is an apocalyptic number.

227431990 is a deficient number, since it is larger than the sum of its proper divisors (181945610).

227431990 is a wasteful number, since it uses less digits than its factorization.

227431990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743206.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 227431990 is about 15080.8484509327. The cubic root of 227431990 is about 610.4037370220.

The spelling of 227431990 in words is "two hundred twenty-seven million, four hundred thirty-one thousand, nine hundred ninety".