22136519 has 4 divisors (see below), whose sum is σ = 22202544. Its totient is φ = 22070496.

The previous prime is 22136509. The next prime is 22136531. The reversal of 22136519 is 91563122.

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 22136519 - 2⁴ = 22136503 is a prime.

It is a super-2 number, since 2×22136519² = 980050946874722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22136491 and 22136500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32507 + ... + 33180.

It is an arithmetic number, because the mean of its divisors is an integer number (5550636).

Almost surely, 2^22136519 is an apocalyptic number.

22136519 is a deficient number, since it is larger than the sum of its proper divisors (66025).

22136519 is an equidigital number, since it uses as much as digits as its factorization.

22136519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66024.

The product of its digits is 3240, while the sum is 29.

The square root of 22136519 is about 4704.9462271104. The cubic root of 22136519 is about 280.7823316548.

The spelling of 22136519 in words is "twenty-two million, one hundred thirty-six thousand, five hundred nineteen".