224345705 has 8 divisors (see below), whose sum is σ = 270135432. Its totient is φ = 178862848.

The previous prime is 224345687. The next prime is 224345713. The reversal of 224345705 is 507543422.

It can be written as a sum of positive squares in 4 ways, for example, as 148254976 + 76090729 = 12176^2 + 8723^2 .

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 224345705 - 2¹⁴ = 224329321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75104 + ... + 78033.

It is an arithmetic number, because the mean of its divisors is an integer number (33766929).

Almost surely, 2^224345705 is an apocalyptic number.

It is an amenable number.

224345705 is a deficient number, since it is larger than the sum of its proper divisors (45789727).

224345705 is a wasteful number, since it uses less digits than its factorization.

224345705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153435.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 224345705 is about 14978.1742879431. The cubic root of 224345705 is about 607.6300635449.

The spelling of 224345705 in words is "two hundred twenty-four million, three hundred forty-five thousand, seven hundred five".