22330655 has 4 divisors (see below), whose sum is σ = 26796792. Its totient is φ = 17864520.

The previous prime is 22330621. The next prime is 22330657. The reversal of 22330655 is 55603322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55603322 = 2 ⋅27801661.

It is not a de Polignac number, because 22330655 - 2⁶ = 22330591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330657) 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, 2233061 + ... + 2233070.

It is an arithmetic number, because the mean of its divisors is an integer number (6699198).

Almost surely, 2^22330655 is an apocalyptic number.

22330655 is a deficient number, since it is larger than the sum of its proper divisors (4466137).

22330655 is an equidigital number, since it uses as much as digits as its factorization.

22330655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466136.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 22330655 is about 4725.5322451550. The cubic root of 22330655 is about 281.6007587507.

Adding to 22330655 its reverse (55603322), we get a palindrome (77933977).

The spelling of 22330655 in words is "twenty-two million, three hundred thirty thousand, six hundred fifty-five".