223034549 has 4 divisors (see below), whose sum is σ = 223181760. Its totient is φ = 222887340.

The previous prime is 223034531. The next prime is 223034551. The reversal of 223034549 is 945430322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 945430322 = 2 ⋅472715161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223034549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223834549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71309 + ... + 74370.

It is an arithmetic number, because the mean of its divisors is an integer number (55795440).

Almost surely, 2^223034549 is an apocalyptic number.

It is an amenable number.

223034549 is a deficient number, since it is larger than the sum of its proper divisors (147211).

223034549 is a wasteful number, since it uses less digits than its factorization.

223034549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147210.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 223034549 is about 14934.3412643478. The cubic root of 223034549 is about 606.4440146532. Note that the first 3 decimals are identical.

The spelling of 223034549 in words is "two hundred twenty-three million, thirty-four thousand, five hundred forty-nine".