220454427 has 8 divisors (see below), whose sum is σ = 298758160. Its totient is φ = 144560160.

The previous prime is 220454387. The next prime is 220454449. The reversal of 220454427 is 724454022.

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

It is not a de Polignac number, because 220454427 - 2¹⁰ = 220453403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220454394 and 220454403.

It is not an unprimeable number, because it can be changed into a prime (220454467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602152 + ... + 602517.

It is an arithmetic number, because the mean of its divisors is an integer number (37344770).

Almost surely, 2^220454427 is an apocalyptic number.

220454427 is a deficient number, since it is larger than the sum of its proper divisors (78303733).

220454427 is a wasteful number, since it uses less digits than its factorization.

220454427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204733.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 220454427 is about 14847.7078028900. The cubic root of 220454427 is about 604.0964377906.

The spelling of 220454427 in words is "two hundred twenty million, four hundred fifty-four thousand, four hundred twenty-seven".