35922421 has 2 divisors, whose sum is σ = 35922422. Its totient is φ = 35922420.

The previous prime is 35922409. The next prime is 35922431. The reversal of 35922421 is 12422953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27941796 + 7980625 = 5286^2 + 2825^2 .

It is an emirp because it is prime and its reverse (12422953) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35922421 - 2¹⁵ = 35889653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35922421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35922431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17961210 + 17961211.

It is an arithmetic number, because the mean of its divisors is an integer number (17961211).

Almost surely, 2^35922421 is an apocalyptic number.

It is an amenable number.

35922421 is a deficient number, since it is larger than the sum of its proper divisors (1).

35922421 is an equidigital number, since it uses as much as digits as its factorization.

35922421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 35922421 is about 5993.5315966465. The cubic root of 35922421 is about 329.9553689259.

The spelling of 35922421 in words is "thirty-five million, nine hundred twenty-two thousand, four hundred twenty-one".