35222989 has 2 divisors, whose sum is σ = 35222990. Its totient is φ = 35222988.

The previous prime is 35222987. The next prime is 35223007. The reversal of 35222989 is 98922253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35200489 + 22500 = 5933^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 35222989 - 2¹ = 35222987 is a prime.

Together with 35222987, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35222981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17611494 + 17611495.

It is an arithmetic number, because the mean of its divisors is an integer number (17611495).

Almost surely, 2^35222989 is an apocalyptic number.

It is an amenable number.

35222989 is a deficient number, since it is larger than the sum of its proper divisors (1).

35222989 is an equidigital number, since it uses as much as digits as its factorization.

35222989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 35222989 is about 5934.8958710326. The cubic root of 35222989 is about 327.7998388377.

The spelling of 35222989 in words is "thirty-five million, two hundred twenty-two thousand, nine hundred eighty-nine".