2223481 has 8 divisors (see below), whose sum is σ = 2535624. Its totient is φ = 1931520.

The previous prime is 2223469. The next prime is 2223493. The reversal of 2223481 is 1843222.

It is an interprime number because it is at equal distance from previous prime (2223469) and next prime (2223493).

It can be written as a sum of positive squares in 4 ways, for example, as 308025 + 1915456 = 555^2 + 1384^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2223481 - 2⁵ = 2223449 is a prime.

It is a super-2 number, since 2×2223481² = 9887735514722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (316953).

2^2223481 is an apocalyptic number.

It is an amenable number.

2223481 is a deficient number, since it is larger than the sum of its proper divisors (312143).

2223481 is a wasteful number, since it uses less digits than its factorization.

2223481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its digits is 768, while the sum is 22.

The square root of 2223481 is about 1491.1341321290. The cubic root of 2223481 is about 130.5202231300.

It can be divided in two parts, 2223 and 481, that added together give a square (2704 = 52²).

The spelling of 2223481 in words is "two million, two hundred twenty-three thousand, four hundred eighty-one".