213672722 has 8 divisors (see below), whose sum is σ = 324566400. Its totient is φ = 105483924.

The previous prime is 213672721. The next prime is 213672731. The reversal of 213672722 is 227276312.

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

It is not an unprimeable number, because it can be changed into a prime (213672721) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 676022 + ... + 676337.

It is an arithmetic number, because the mean of its divisors is an integer number (40570800).

Almost surely, 2^213672722 is an apocalyptic number.

213672722 is a deficient number, since it is larger than the sum of its proper divisors (110893678).

213672722 is a wasteful number, since it uses less digits than its factorization.

213672722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352440.

The product of its digits is 14112, while the sum is 32.

The square root of 213672722 is about 14617.5484264633. The cubic root of 213672722 is about 597.8373270719.

The spelling of 213672722 in words is "two hundred thirteen million, six hundred seventy-two thousand, seven hundred twenty-two".