2679261222 has 64 divisors (see below), whose sum is σ = 6073574400. Its totient is φ = 780487680.

The previous prime is 2679261209. The next prime is 2679261227. The reversal of 2679261222 is 2221629762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679261227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454518 + ... + 460374.

It is an arithmetic number, because the mean of its divisors is an integer number (94899600).

Almost surely, 2^2679261222 is an apocalyptic number.

2679261222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2679261222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3036787200).

2679261222 is an abundant number, since it is smaller than the sum of its proper divisors (3394313178).

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

2679261222 is a wasteful number, since it uses less digits than its factorization.

2679261222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141.

The product of its digits is 72576, while the sum is 39.

The square root of 2679261222 is about 51761.5805593299. The cubic root of 2679261222 is about 1388.9022649587.

It can be divided in two parts, 2679 and 261222, that added together give a triangular number (263901 = T₇₂₆).

The spelling of 2679261222 in words is "two billion, six hundred seventy-nine million, two hundred sixty-one thousand, two hundred twenty-two".