220011157 has 2 divisors, whose sum is σ = 220011158. Its totient is φ = 220011156.

The previous prime is 220011151. The next prime is 220011167. The reversal of 220011157 is 751110022.

220011157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128119761 + 91891396 = 11319^2 + 9586^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011157 - 2³ = 220011149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220011151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005578 + 110005579.

It is an arithmetic number, because the mean of its divisors is an integer number (110005579).

Almost surely, 2^220011157 is an apocalyptic number.

It is an amenable number.

220011157 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011157 is an equidigital number, since it uses as much as digits as its factorization.

220011157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 220011157 is about 14832.7730718163. The cubic root of 220011157 is about 603.6912784614.

Adding to 220011157 its reverse (751110022), we get a palindrome (971121179).

The spelling of 220011157 in words is "two hundred twenty million, eleven thousand, one hundred fifty-seven".