226818390090 has 16 divisors (see below), whose sum is σ = 544364136288. Its totient is φ = 60484904016.

The previous prime is 226818390089. The next prime is 226818390107. The reversal of 226818390090 is 90093818622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3780306472 + ... + 3780306531.

It is an arithmetic number, because the mean of its divisors is an integer number (34022758518).

Almost surely, 2^226818390090 is an apocalyptic number.

226818390090 is an abundant number, since it is smaller than the sum of its proper divisors (317545746198).

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

226818390090 is a wasteful number, since it uses less digits than its factorization.

226818390090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560613013.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 226818390090 in words is "two hundred twenty-six billion, eight hundred eighteen million, three hundred ninety thousand, ninety".