212672722 has 8 divisors (see below), whose sum is σ = 319660272. Its totient is φ = 106119300.

The previous prime is 212672717. The next prime is 212672749. The reversal of 212672722 is 227276212.

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

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, 107304 + ... + 109267.

It is an arithmetic number, because the mean of its divisors is an integer number (39957534).

Almost surely, 2^212672722 is an apocalyptic number.

212672722 is a deficient number, since it is larger than the sum of its proper divisors (106987550).

212672722 is a wasteful number, since it uses less digits than its factorization.

212672722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217064.

The product of its digits is 9408, while the sum is 31.

The square root of 212672722 is about 14583.3028494919. The cubic root of 212672722 is about 596.9032312405.

The spelling of 212672722 in words is "two hundred twelve million, six hundred seventy-two thousand, seven hundred twenty-two".