226248990 has 64 divisors (see below), whose sum is σ = 593809920. Its totient is φ = 54714240.

The previous prime is 226248959. The next prime is 226249003. The reversal of 226248990 is 99842622.

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, 233487 + ... + 234453.

It is an arithmetic number, because the mean of its divisors is an integer number (9278280).

Almost surely, 2^226248990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226248990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296904960).

226248990 is an abundant number, since it is smaller than the sum of its proper divisors (367560930).

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

226248990 is a wasteful number, since it uses less digits than its factorization.

226248990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 226248990 is about 15041.5753829178. The cubic root of 226248990 is about 609.3435471471.

The spelling of 226248990 in words is "two hundred twenty-six million, two hundred forty-eight thousand, nine hundred ninety".