2224739 has 8 divisors (see below), whose sum is σ = 2569968. Its totient is φ = 1903360.

The previous prime is 2224709. The next prime is 2224741. The reversal of 2224739 is 9374222.

2224739 = T₅₁ + T₅₂ + ... + T₂₃₇.

It is a happy number.

2224739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2224739 - 2¹² = 2220643 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2⁹ + 2²¹ + 4⁸ + 7⁴ + 3¹⁰ + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5762 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (321246).

2^2224739 is an apocalyptic number.

2224739 is a deficient number, since it is larger than the sum of its proper divisors (345229).

2224739 is a wasteful number, since it uses less digits than its factorization.

2224739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11925.

The product of its digits is 6048, while the sum is 29.

The square root of 2224739 is about 1491.5558990531. Note that the first 3 decimals coincide. The cubic root of 2224739 is about 130.5448337120.

The spelling of 2224739 in words is "two million, two hundred twenty-four thousand, seven hundred thirty-nine".