220122047 has 2 divisors, whose sum is σ = 220122048. Its totient is φ = 220122046.

The previous prime is 220122043. The next prime is 220122061. The reversal of 220122047 is 740221022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220122047 - 2² = 220122043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220122043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061023 + 110061024.

It is an arithmetic number, because the mean of its divisors is an integer number (110061024).

Almost surely, 2^220122047 is an apocalyptic number.

220122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122047 is an equidigital number, since it uses as much as digits as its factorization.

220122047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 220122047 is about 14836.5106072823. The cubic root of 220122047 is about 603.7926855643.

Adding to 220122047 its reverse (740221022), we get a palindrome (960343069).

The spelling of 220122047 in words is "two hundred twenty million, one hundred twenty-two thousand, forty-seven".