276397222 has 8 divisors (see below), whose sum is σ = 421392672. Its totient is φ = 135933000.

The previous prime is 276397211. The next prime is 276397223. The reversal of 276397222 is 222793672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276397223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132654 + ... + 1132897.

It is an arithmetic number, because the mean of its divisors is an integer number (52674084).

Almost surely, 2^276397222 is an apocalyptic number.

276397222 is a deficient number, since it is larger than the sum of its proper divisors (144995450).

276397222 is a wasteful number, since it uses less digits than its factorization.

276397222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265614.

The product of its digits is 127008, while the sum is 40.

The square root of 276397222 is about 16625.1984048311. The cubic root of 276397222 is about 651.3952058504.

The spelling of 276397222 in words is "two hundred seventy-six million, three hundred ninety-seven thousand, two hundred twenty-two".