219038342 has 8 divisors (see below), whose sum is σ = 328632816. Its totient is φ = 109494072.

The previous prime is 219038341. The next prime is 219038381. The reversal of 219038342 is 243830912.

It is a happy number.

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

It is a super-2 number, since 2×219038342² = 95955590532217928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219038299 and 219038308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219038341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (41079102).

Almost surely, 2^219038342 is an apocalyptic number.

219038342 is a deficient number, since it is larger than the sum of its proper divisors (109594474).

219038342 is a wasteful number, since it uses less digits than its factorization.

219038342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 219038342 is about 14799.9439863805. The cubic root of 219038342 is about 602.8001908515.

The spelling of 219038342 in words is "two hundred nineteen million, thirty-eight thousand, three hundred forty-two".