22330819 has 24 divisors (see below), whose sum is σ = 27367296. Its totient is φ = 18144000.

The previous prime is 22330807. The next prime is 22330831. The reversal of 22330819 is 91803322.

It is an interprime number because it is at equal distance from previous prime (22330807) and next prime (22330831).

It is not a de Polignac number, because 22330819 - 2⁹ = 22330307 is a prime.

It is a super-2 number, since 2×22330819² = 997330954421522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22330859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92539 + ... + 92779.

It is an arithmetic number, because the mean of its divisors is an integer number (1140304).

Almost surely, 2^22330819 is an apocalyptic number.

22330819 is the 2989-th heptagonal number.

22330819 is a deficient number, since it is larger than the sum of its proper divisors (5036477).

22330819 is a wasteful number, since it uses less digits than its factorization.

22330819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22330819 is about 4725.5495976659. The cubic root of 22330819 is about 281.6014481231.

The spelling of 22330819 in words is "twenty-two million, three hundred thirty thousand, eight hundred nineteen".