209922002 has 4 divisors (see below), whose sum is σ = 314883006. Its totient is φ = 104961000.

The previous prime is 209921963. The next prime is 209922017. The reversal of 209922002 is 200229902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 51136801 = 12601^2 + 7151^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52480499 + ... + 52480502.

Almost surely, 2^209922002 is an apocalyptic number.

209922002 is a deficient number, since it is larger than the sum of its proper divisors (104961004).

209922002 is a wasteful number, since it uses less digits than its factorization.

209922002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104961003.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 209922002 is about 14488.6853095786. The cubic root of 209922002 is about 594.3185966359.

The spelling of 209922002 in words is "two hundred nine million, nine hundred twenty-two thousand, two".