227098890 has 80 divisors (see below), whose sum is σ = 614413800. Its totient is φ = 60186240.

The previous prime is 227098889. The next prime is 227098891. The reversal of 227098890 is 98890722.

It is an interprime number because it is at equal distance from previous prime (227098889) and next prime (227098891).

It can be written as a sum of positive squares in 4 ways, for example, as 90839961 + 136258929 = 9531^2 + 11673^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (227098891) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145836 + ... + 147384.

Almost surely, 2^227098890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227098890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307206900).

227098890 is an abundant number, since it is smaller than the sum of its proper divisors (387314910).

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

227098890 is a wasteful number, since it uses less digits than its factorization.

227098890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 227098890 is about 15069.8005958938. The cubic root of 227098890 is about 610.1055895332.

The spelling of 227098890 in words is "two hundred twenty-seven million, ninety-eight thousand, eight hundred ninety".