226981554 has 8 divisors (see below), whose sum is σ = 453963120. Its totient is φ = 75660516.

The previous prime is 226981553. The next prime is 226981577. The reversal of 226981554 is 455189622.

226981554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

226981554 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226981553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18915124 + ... + 18915135.

It is an arithmetic number, because the mean of its divisors is an integer number (56745390).

Almost surely, 2^226981554 is an apocalyptic number.

226981554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

226981554 is a wasteful number, since it uses less digits than its factorization.

226981554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37830264.

The product of its digits is 172800, while the sum is 42.

The square root of 226981554 is about 15065.9070088727. The cubic root of 226981554 is about 610.0004962820. Note that the first 3 decimals are identical.

The spelling of 226981554 in words is "two hundred twenty-six million, nine hundred eighty-one thousand, five hundred fifty-four".