220844463 has 16 divisors (see below), whose sum is σ = 339795456. Its totient is φ = 124970400.

The previous prime is 220844443. The next prime is 220844489. The reversal of 220844463 is 364448022.

It is not a de Polignac number, because 220844463 - 2¹⁶ = 220778927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220844443) 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, 48888 + ... + 53213.

It is an arithmetic number, because the mean of its divisors is an integer number (21237216).

Almost surely, 2^220844463 is an apocalyptic number.

220844463 is a deficient number, since it is larger than the sum of its proper divisors (118950993).

220844463 is a wasteful number, since it uses less digits than its factorization.

220844463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102214.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 220844463 is about 14860.8365511501. The cubic root of 220844463 is about 604.4524910309.

The spelling of 220844463 in words is "two hundred twenty million, eight hundred forty-four thousand, four hundred sixty-three".