220622639 has 2 divisors, whose sum is σ = 220622640. Its totient is φ = 220622638.

The previous prime is 220622587. The next prime is 220622711. The reversal of 220622639 is 936226022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220622639 - 2¹² = 220618543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220622239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110311319 + 110311320.

It is an arithmetic number, because the mean of its divisors is an integer number (110311320).

Almost surely, 2^220622639 is an apocalyptic number.

220622639 is a deficient number, since it is larger than the sum of its proper divisors (1).

220622639 is an equidigital number, since it uses as much as digits as its factorization.

220622639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 220622639 is about 14853.3713008192. The cubic root of 220622639 is about 604.2500454048.

The spelling of 220622639 in words is "two hundred twenty million, six hundred twenty-two thousand, six hundred thirty-nine".