226721454 has 8 divisors (see below), whose sum is σ = 453442920. Its totient is φ = 75573816.

The previous prime is 226721447. The next prime is 226721461. The reversal of 226721454 is 454127622.

It is an interprime number because it is at equal distance from previous prime (226721447) and next prime (226721461).

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

226721454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18893449 + ... + 18893460.

It is an arithmetic number, because the mean of its divisors is an integer number (56680365).

Almost surely, 2^226721454 is an apocalyptic number.

226721454 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.

226721454 is a wasteful number, since it uses less digits than its factorization.

226721454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37786914.

The product of its digits is 26880, while the sum is 33.

The square root of 226721454 is about 15057.2724621692. The cubic root of 226721454 is about 609.7674057237.

The spelling of 226721454 in words is "two hundred twenty-six million, seven hundred twenty-one thousand, four hundred fifty-four".