22990519 has 4 divisors (see below), whose sum is σ = 23051560. Its totient is φ = 22929480.

The previous prime is 22990493. The next prime is 22990523. The reversal of 22990519 is 91509922.

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 22990519 - 2⁹ = 22990007 is a prime.

It is a super-2 number, since 2×22990519² = 1057127927778722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29952 + ... + 30709.

It is an arithmetic number, because the mean of its divisors is an integer number (5762890).

Almost surely, 2^22990519 is an apocalyptic number.

22990519 is a deficient number, since it is larger than the sum of its proper divisors (61041).

22990519 is an equidigital number, since it uses as much as digits as its factorization.

22990519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61040.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 22990519 is about 4794.8429588465. The cubic root of 22990519 is about 284.3476162337.

The spelling of 22990519 in words is "twenty-two million, nine hundred ninety thousand, five hundred nineteen".