220061399 has 2 divisors, whose sum is σ = 220061400. Its totient is φ = 220061398.

The previous prime is 220061383. The next prime is 220061419. The reversal of 220061399 is 993160022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220061399 - 2⁴ = 220061383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220061329) 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, 110030699 + 110030700.

It is an arithmetic number, because the mean of its divisors is an integer number (110030700).

Almost surely, 2^220061399 is an apocalyptic number.

220061399 is a deficient number, since it is larger than the sum of its proper divisors (1).

220061399 is an equidigital number, since it uses as much as digits as its factorization.

220061399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 220061399 is about 14834.4665896688. The cubic root of 220061399 is about 603.7372281747.

The spelling of 220061399 in words is "two hundred twenty million, sixty-one thousand, three hundred ninety-nine".