210142322 has 8 divisors (see below), whose sum is σ = 339460716. Its totient is φ = 96988752.

The previous prime is 210142319. The next prime is 210142349. The reversal of 210142322 is 223241012.

It can be written as a sum of positive squares in 2 ways, for example, as 201668401 + 8473921 = 14201^2 + 2911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210142322.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4041173 + ... + 4041224.

Almost surely, 2^210142322 is an apocalyptic number.

210142322 is a deficient number, since it is larger than the sum of its proper divisors (129318394).

210142322 is a wasteful number, since it uses less digits than its factorization.

210142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082412.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210142322 is about 14496.2864899946. The cubic root of 210142322 is about 594.5264428676.

Adding to 210142322 its reverse (223241012), we get a palindrome (433383334).

The spelling of 210142322 in words is "two hundred ten million, one hundred forty-two thousand, three hundred twenty-two".