220075581 has 8 divisors (see below), whose sum is σ = 320109984. Its totient is φ = 133379120.

The previous prime is 220075571. The next prime is 220075589. The reversal of 220075581 is 185570022.

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 220075581 - 2⁶ = 220075517 is a prime.

It is a super-2 number, since 2×220075581² = 96866522704975122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220075589) 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, 3334446 + ... + 3334511.

It is an arithmetic number, because the mean of its divisors is an integer number (40013748).

Almost surely, 2^220075581 is an apocalyptic number.

It is an amenable number.

220075581 is a deficient number, since it is larger than the sum of its proper divisors (100034403).

220075581 is a wasteful number, since it uses less digits than its factorization.

220075581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668971.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 220075581 is about 14834.9445903920. The cubic root of 220075581 is about 603.7501973089.

The spelling of 220075581 in words is "two hundred twenty million, seventy-five thousand, five hundred eighty-one".