193224138 has 32 divisors (see below), whose sum is σ = 402363456. Its totient is φ = 61803648.

The previous prime is 193224137. The next prime is 193224151. The reversal of 193224138 is 831422391.

193224138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 193224099 and 193224108.

It is not an unprimeable number, because it can be changed into a prime (193224137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10245 + ... + 22167.

It is an arithmetic number, because the mean of its divisors is an integer number (12573858).

Almost surely, 2^193224138 is an apocalyptic number.

193224138 is an abundant number, since it is smaller than the sum of its proper divisors (209139318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193224138 is a wasteful number, since it uses less digits than its factorization.

193224138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its digits is 10368, while the sum is 33.

The square root of 193224138 is about 13900.5085518480. The cubic root of 193224138 is about 578.1232820129.

The spelling of 193224138 in words is "one hundred ninety-three million, two hundred twenty-four thousand, one hundred thirty-eight".