220434562 has 8 divisors (see below), whose sum is σ = 332499600. Its totient is φ = 109601364.

The previous prime is 220434547. The next prime is 220434581. The reversal of 220434562 is 265434022.

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

It is a super-4 number, since 4×220434562⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 220434562.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307512 + ... + 308227.

It is an arithmetic number, because the mean of its divisors is an integer number (41562450).

Almost surely, 2^220434562 is an apocalyptic number.

220434562 is a deficient number, since it is larger than the sum of its proper divisors (112065038).

220434562 is a wasteful number, since it uses less digits than its factorization.

220434562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615920.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 220434562 is about 14847.0388293424. The cubic root of 220434562 is about 604.0782923378.

Adding to 220434562 its reverse (265434022), we get a palindrome (485868584).

The spelling of 220434562 in words is "two hundred twenty million, four hundred thirty-four thousand, five hundred sixty-two".