276990222 has 16 divisors (see below), whose sum is σ = 554338512. Its totient is φ = 92270400.

The previous prime is 276990209. The next prime is 276990229. The reversal of 276990222 is 222099672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276990229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279 + ... + 23922.

It is an arithmetic number, because the mean of its divisors is an integer number (34646157).

Almost surely, 2^276990222 is an apocalyptic number.

276990222 is an abundant number, since it is smaller than the sum of its proper divisors (277348290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276990222 is a wasteful number, since it uses less digits than its factorization.

276990222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29843.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 276990222 is about 16643.0232229604. The cubic root of 276990222 is about 651.8607211875.

The spelling of 276990222 in words is "two hundred seventy-six million, nine hundred ninety thousand, two hundred twenty-two".