220043454 has 16 divisors (see below), whose sum is σ = 442300800. Its totient is φ = 72978840.

The previous prime is 220043449. The next prime is 220043459. The reversal of 220043454 is 454340022.

It is an interprime number because it is at equal distance from previous prime (220043449) and next prime (220043459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220043459) 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, 90952 + ... + 93339.

It is an arithmetic number, because the mean of its divisors is an integer number (27643800).

Almost surely, 2^220043454 is an apocalyptic number.

220043454 is an abundant number, since it is smaller than the sum of its proper divisors (222257346).

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

220043454 is a wasteful number, since it uses less digits than its factorization.

220043454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184495.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 220043454 is about 14833.8617359068. The cubic root of 220043454 is about 603.7208170592.

Adding to 220043454 its reverse (454340022), we get a palindrome (674383476).

It can be divided in two parts, 2200 and 43454, that added together give a palindrome (45654).

The spelling of 220043454 in words is "two hundred twenty million, forty-three thousand, four hundred fifty-four".