276001222 has 24 divisors (see below), whose sum is σ = 509926104. Its totient is φ = 111327552.

The previous prime is 276001177. The next prime is 276001261. The reversal of 276001222 is 222100672.

It is a junction number, because it is equal to n+sod(n) for n = 276001193 and 276001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81168 + ... + 84499.

It is an arithmetic number, because the mean of its divisors is an integer number (21246921).

Almost surely, 2^276001222 is an apocalyptic number.

276001222 is a deficient number, since it is larger than the sum of its proper divisors (233924882).

276001222 is a wasteful number, since it uses less digits than its factorization.

276001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165700 (or 165693 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 276001222 is about 16613.2845036736. The cubic root of 276001222 is about 651.0839680491.

Adding to 276001222 its reverse (222100672), we get a palindrome (498101894).

The spelling of 276001222 in words is "two hundred seventy-six million, one thousand, two hundred twenty-two".