35222622221 has 2 divisors, whose sum is σ = 35222622222. Its totient is φ = 35222622220.

The previous prime is 35222622209. The next prime is 35222622247. The reversal of 35222622221 is 12222622253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35197512100 + 25110121 = 187610^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 35222622221 - 2¹⁸ = 35222360077 is a prime.

It is a super-2 number, since 2×35222622221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35222622271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17611311110 + 17611311111.

It is an arithmetic number, because the mean of its divisors is an integer number (17611311111).

Almost surely, 2^35222622221 is an apocalyptic number.

It is an amenable number.

35222622221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35222622221 is an equidigital number, since it uses as much as digits as its factorization.

35222622221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The spelling of 35222622221 in words is "thirty-five billion, two hundred twenty-two million, six hundred twenty-two thousand, two hundred twenty-one".