220000454 has 8 divisors (see below), whose sum is σ = 330286008. Its totient is φ = 109905120.

The previous prime is 220000423. The next prime is 220000457. The reversal of 220000454 is 454000022.

220000454 is digitally balanced in base 2, 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.

It is a super-2 number, since 2×220000454² = 96800399520412232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000457) 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, 44627 + ... + 49310.

It is an arithmetic number, because the mean of its divisors is an integer number (41285751).

Almost surely, 2^220000454 is an apocalyptic number.

220000454 is a deficient number, since it is larger than the sum of its proper divisors (110285554).

220000454 is a wasteful number, since it uses less digits than its factorization.

220000454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95110.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 220000454 is about 14832.4122785203. The cubic root of 220000454 is about 603.6814889389.

Adding to 220000454 its reverse (454000022), we get a palindrome (674000476).

The spelling of 220000454 in words is "two hundred twenty million, four hundred fifty-four", and thus it is an aban number.