219252542 has 8 divisors (see below), whose sum is σ = 333787656. Its totient is φ = 107989992.

The previous prime is 219252497. The next prime is 219252559. The reversal of 219252542 is 245252912.

219252542 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 a junction number, because it is equal to n+sod(n) for n = 219252499 and 219252508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817973 + ... + 818240.

It is an arithmetic number, because the mean of its divisors is an integer number (41723457).

Almost surely, 2^219252542 is an apocalyptic number.

219252542 is a deficient number, since it is larger than the sum of its proper divisors (114535114).

219252542 is a wasteful number, since it uses less digits than its factorization.

219252542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636282.

The product of its digits is 14400, while the sum is 32.

The square root of 219252542 is about 14807.1787319530. The cubic root of 219252542 is about 602.9966218102.

The spelling of 219252542 in words is "two hundred nineteen million, two hundred fifty-two thousand, five hundred forty-two".