142222519 has 2 divisors, whose sum is σ = 142222520. Its totient is φ = 142222518.

The previous prime is 142222489. The next prime is 142222523. The reversal of 142222519 is 915222241.

142222519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142222519 - 2⁹ = 142222007 is a prime.

It is a super-2 number, since 2×142222519² = 40454489821410722, which contains 22 as substring.

It is equal to p_8030575 and since 142222519 and 8030575 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142222559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111259 + 71111260.

It is an arithmetic number, because the mean of its divisors is an integer number (71111260).

Almost surely, 2^142222519 is an apocalyptic number.

142222519 is a deficient number, since it is larger than the sum of its proper divisors (1).

142222519 is an equidigital number, since it uses as much as digits as its factorization.

142222519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 142222519 is about 11925.7083227790. The cubic root of 142222519 is about 521.9827152324.

The spelling of 142222519 in words is "one hundred forty-two million, two hundred twenty-two thousand, five hundred nineteen".