209222534 has 8 divisors (see below), whose sum is σ = 323957568. Its totient is φ = 101236680.

The previous prime is 209222527. The next prime is 209222579. The reversal of 209222534 is 435222902.

209222534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 209222497 and 209222506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687217 + ... + 1687340.

It is an arithmetic number, because the mean of its divisors is an integer number (40494696).

Almost surely, 2^209222534 is an apocalyptic number.

209222534 is a deficient number, since it is larger than the sum of its proper divisors (114735034).

209222534 is a wasteful number, since it uses less digits than its factorization.

209222534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374590.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 209222534 is about 14464.5267464926. The cubic root of 209222534 is about 593.6577648194.

The spelling of 209222534 in words is "two hundred nine million, two hundred twenty-two thousand, five hundred thirty-four".