22330881 has 12 divisors (see below), whose sum is σ = 33296640. Its totient is φ = 14406840.

The previous prime is 22330879. The next prime is 22330897. The reversal of 22330881 is 18803322.

It is not a de Polignac number, because 22330881 - 2¹ = 22330879 is a prime.

It is a super-2 number, since 2×22330881² = 997336492472322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22330831) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39741 + ... + 40298.

It is an arithmetic number, because the mean of its divisors is an integer number (2774720).

Almost surely, 2^22330881 is an apocalyptic number.

It is an amenable number.

22330881 is a deficient number, since it is larger than the sum of its proper divisors (10965759).

22330881 is a wasteful number, since it uses less digits than its factorization.

22330881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80076 (or 80073 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22330881 is about 4725.5561577448. The cubic root of 22330881 is about 281.6017087386.

The spelling of 22330881 in words is "twenty-two million, three hundred thirty thousand, eight hundred eighty-one".