202191338 has 8 divisors (see below), whose sum is σ = 303380640. Its totient is φ = 101064460.

The previous prime is 202191337. The next prime is 202191349. The reversal of 202191338 is 833191202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202191338.

It is not an unprimeable number, because it can be changed into a prime (202191337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6428 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (37922580).

Almost surely, 2^202191338 is an apocalyptic number.

202191338 is a deficient number, since it is larger than the sum of its proper divisors (101189302).

202191338 is a wasteful number, since it uses less digits than its factorization.

202191338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 202191338 is about 14219.4000576677. The cubic root of 202191338 is about 586.9316312736.

The spelling of 202191338 in words is "two hundred two million, one hundred ninety-one thousand, three hundred thirty-eight".