220041455 has 8 divisors (see below), whose sum is σ = 279582192. Its totient is φ = 165678208.

The previous prime is 220041443. The next prime is 220041463. The reversal of 220041455 is 554140022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220041455 - 2¹² = 220037359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220041455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294277 + ... + 1294446.

It is an arithmetic number, because the mean of its divisors is an integer number (34947774).

Almost surely, 2^220041455 is an apocalyptic number.

220041455 is a deficient number, since it is larger than the sum of its proper divisors (59540737).

220041455 is a wasteful number, since it uses less digits than its factorization.

220041455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588745.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 220041455 is about 14833.7943561315. The cubic root of 220041455 is about 603.7189888725.

Adding to 220041455 its reverse (554140022), we get a palindrome (774181477).

The spelling of 220041455 in words is "two hundred twenty million, forty-one thousand, four hundred fifty-five".