223139409 has 8 divisors (see below), whose sum is σ = 303849600. Its totient is φ = 145594416.

The previous prime is 223139407. The next prime is 223139437. The reversal of 223139409 is 904931322.

223139409 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 not a de Polignac number, because 223139409 - 2¹ = 223139407 is a prime.

It is a super-3 number, since 3×223139409³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223139409.

It is not an unprimeable number, because it can be changed into a prime (223139407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791134 + ... + 791415.

It is an arithmetic number, because the mean of its divisors is an integer number (37981200).

Almost surely, 2^223139409 is an apocalyptic number.

It is an amenable number.

223139409 is a deficient number, since it is larger than the sum of its proper divisors (80710191).

223139409 is a wasteful number, since it uses less digits than its factorization.

223139409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582599.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 223139409 is about 14937.8515523485. The cubic root of 223139409 is about 606.5390399252.

The spelling of 223139409 in words is "two hundred twenty-three million, one hundred thirty-nine thousand, four hundred nine".