4522019 has 4 divisors (see below), whose sum is σ = 4760040. Its totient is φ = 4284000.

The previous prime is 4521977. The next prime is 4522027. The reversal of 4522019 is 9102254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4522019 - 2¹² = 4517923 is a prime.

It is a super-2 number, since 2×4522019² = 40897311672722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁸ + 5² + 2¹⁸ + 2²² + 0 + 1 + 9 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4521985 and 4522003.

It is not an unprimeable number, because it can be changed into a prime (4522069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118982 + ... + 119019.

It is an arithmetic number, because the mean of its divisors is an integer number (1190010).

Almost surely, 2^4522019 is an apocalyptic number.

4522019 is a deficient number, since it is larger than the sum of its proper divisors (238021).

4522019 is a wasteful number, since it uses less digits than its factorization.

4522019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238020.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4522019 is about 2126.5039383928. The cubic root of 4522019 is about 165.3652027138.

The spelling of 4522019 in words is "four million, five hundred twenty-two thousand, nineteen".