42700219 has 2 divisors, whose sum is σ = 42700220. Its totient is φ = 42700218.

The previous prime is 42700199. The next prime is 42700223. The reversal of 42700219 is 91200724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42700219 - 2⁵ = 42700187 is a prime.

It is a super-2 number, since 2×42700219² = 3646617405295922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42700193 and 42700202.

It is not a weakly prime, because it can be changed into another prime (42700249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350109 + 21350110.

It is an arithmetic number, because the mean of its divisors is an integer number (21350110).

Almost surely, 2^42700219 is an apocalyptic number.

42700219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42700219 is an equidigital number, since it uses as much as digits as its factorization.

42700219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 42700219 is about 6534.5404582113. The cubic root of 42700219 is about 349.5237577169.

The spelling of 42700219 in words is "forty-two million, seven hundred thousand, two hundred nineteen".