226381998 has 32 divisors (see below), whose sum is σ = 477734400. Its totient is φ = 71318016.

The previous prime is 226381993. The next prime is 226382003. The reversal of 226381998 is 899183622.

It is an interprime number because it is at equal distance from previous prime (226381993) and next prime (226382003).

It is a super-3 number, since 3×226381998³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226381993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50638 + ... + 54926.

It is an arithmetic number, because the mean of its divisors is an integer number (14929200).

Almost surely, 2^226381998 is an apocalyptic number.

226381998 is an abundant number, since it is smaller than the sum of its proper divisors (251352402).

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

226381998 is a wasteful number, since it uses less digits than its factorization.

226381998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776.

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

The square root of 226381998 is about 15045.9960786915. The cubic root of 226381998 is about 609.4629313847.

The spelling of 226381998 in words is "two hundred twenty-six million, three hundred eighty-one thousand, nine hundred ninety-eight".