219942034 has 16 divisors (see below), whose sum is σ = 355580568. Its totient is φ = 101428992.

The previous prime is 219942017. The next prime is 219942049. The reversal of 219942034 is 430249912.

It can be written as a sum of positive squares in 4 ways, for example, as 154380625 + 65561409 = 12425^2 + 8097^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38874 + ... + 44170.

Almost surely, 2^219942034 is an apocalyptic number.

219942034 is a deficient number, since it is larger than the sum of its proper divisors (135638534).

219942034 is a wasteful number, since it uses less digits than its factorization.

219942034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 219942034 is about 14830.4428119999. The cubic root of 219942034 is about 603.6280493602.

The spelling of 219942034 in words is "two hundred nineteen million, nine hundred forty-two thousand, thirty-four".