22030555 has 8 divisors (see below), whose sum is σ = 27991872. Its totient is φ = 16587648.

The previous prime is 22030531. The next prime is 22030579. The reversal of 22030555 is 55503022.

It is an interprime number because it is at equal distance from previous prime (22030531) and next prime (22030579).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22030555 - 2⁵ = 22030523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129507 + ... + 129676.

It is an arithmetic number, because the mean of its divisors is an integer number (3498984).

Almost surely, 2^22030555 is an apocalyptic number.

22030555 is a deficient number, since it is larger than the sum of its proper divisors (5961317).

22030555 is a wasteful number, since it uses less digits than its factorization.

22030555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259205.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 22030555 is about 4693.6718036096. The cubic root of 22030555 is about 280.3335947411. Note that the first 3 decimals are identical.

Adding to 22030555 its reverse (55503022), we get a palindrome (77533577).

The spelling of 22030555 in words is "twenty-two million, thirty thousand, five hundred fifty-five".