220023247 has 2 divisors, whose sum is σ = 220023248. Its totient is φ = 220023246.

The previous prime is 220023227. The next prime is 220023253. The reversal of 220023247 is 742320022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220023247 - 2¹⁵ = 219990479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220023227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011623 + 110011624.

It is an arithmetic number, because the mean of its divisors is an integer number (110011624).

Almost surely, 2^220023247 is an apocalyptic number.

220023247 is a deficient number, since it is larger than the sum of its proper divisors (1).

220023247 is an equidigital number, since it uses as much as digits as its factorization.

220023247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 220023247 is about 14833.1806097007. The cubic root of 220023247 is about 603.7023362247.

Adding to 220023247 its reverse (742320022), we get a palindrome (962343269).

The spelling of 220023247 in words is "two hundred twenty million, twenty-three thousand, two hundred forty-seven".