220974093 has 6 divisors (see below), whose sum is σ = 319184814. Its totient is φ = 147316056.

The previous prime is 220974079. The next prime is 220974097. The reversal of 220974093 is 390479022.

220974093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 207446409 + 13527684 = 14403^2 + 3678^2 .

It is not a de Polignac number, because 220974093 - 2⁴ = 220974077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220974097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12276330 + ... + 12276347.

It is an arithmetic number, because the mean of its divisors is an integer number (53197469).

Almost surely, 2^220974093 is an apocalyptic number.

It is an amenable number.

220974093 is a deficient number, since it is larger than the sum of its proper divisors (98210721).

220974093 is a wasteful number, since it uses less digits than its factorization.

220974093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552683 (or 24552680 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 220974093 is about 14865.1973750771. The cubic root of 220974093 is about 604.5707339027.

The spelling of 220974093 in words is "two hundred twenty million, nine hundred seventy-four thousand, ninety-three".