2631223 has 16 divisors (see below), whose sum is σ = 3202560. Its totient is φ = 2113056.

The previous prime is 2631221. The next prime is 2631241. The reversal of 2631223 is 3221362.

It is not a de Polignac number, because 2631223 - 2¹ = 2631221 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6⁶ + 3¹¹ + 1 + 2¹⁷ + 2²¹ + 3¹¹ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2631223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9361 + ... + 9637.

It is an arithmetic number, because the mean of its divisors is an integer number (200160).

2^2631223 is an apocalyptic number.

2631223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2631223 is a deficient number, since it is larger than the sum of its proper divisors (571337).

2631223 is a wasteful number, since it uses less digits than its factorization.

2631223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 432, while the sum is 19.

The square root of 2631223 is about 1622.1044972504. The cubic root of 2631223 is about 138.0551309513.

Adding to 2631223 its reverse (3221362), we get a palindrome (5852585).

It can be divided in two parts, 26312 and 23, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 2631223 in words is "two million, six hundred thirty-one thousand, two hundred twenty-three".