220775401 has 8 divisors (see below), whose sum is σ = 275252544. Its totient is φ = 172032720.

The previous prime is 220775393. The next prime is 220775407. The reversal of 220775401 is 104577022.

220775401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220775401 - 2³ = 220775393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220775401.

It is not an unprimeable number, because it can be changed into a prime (220775407) 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, 1433530 + ... + 1433683.

It is an arithmetic number, because the mean of its divisors is an integer number (34406568).

Almost surely, 2^220775401 is an apocalyptic number.

It is an amenable number.

220775401 is a deficient number, since it is larger than the sum of its proper divisors (54477143).

220775401 is a wasteful number, since it uses less digits than its factorization.

220775401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867231.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 220775401 is about 14858.5127452245. The cubic root of 220775401 is about 604.3894767725.

The spelling of 220775401 in words is "two hundred twenty million, seven hundred seventy-five thousand, four hundred one".