220045426 has 8 divisors (see below), whose sum is σ = 330560604. Its totient is φ = 109858560.

The previous prime is 220045421. The next prime is 220045429. The reversal of 220045426 is 624540022.

It can be written as a sum of positive squares in 2 ways, for example, as 214593201 + 5452225 = 14649^2 + 2335^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 220045426.

It is not an unprimeable number, because it can be changed into a prime (220045421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80395 + ... + 83086.

Almost surely, 2^220045426 is an apocalyptic number.

220045426 is a deficient number, since it is larger than the sum of its proper divisors (110515178).

220045426 is a wasteful number, since it uses less digits than its factorization.

220045426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164156.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 220045426 is about 14833.9282053002. The cubic root of 220045426 is about 603.7226205422.

Adding to 220045426 its reverse (624540022), we get a palindrome (844585448).

The spelling of 220045426 in words is "two hundred twenty million, forty-five thousand, four hundred twenty-six".