227258790 has 64 divisors (see below), whose sum is σ = 615548160. Its totient is φ = 53191040.

The previous prime is 227258789. The next prime is 227258809. The reversal of 227258790 is 97852722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (9617940).

Almost surely, 2^227258790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227258790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307774080).

227258790 is an abundant number, since it is smaller than the sum of its proper divisors (388289370).

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

227258790 is a wasteful number, since it uses less digits than its factorization.

227258790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23797.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 227258790 is about 15075.1049747589. The cubic root of 227258790 is about 610.2487474271.

The spelling of 227258790 in words is "two hundred twenty-seven million, two hundred fifty-eight thousand, seven hundred ninety".