22889405 has 16 divisors (see below), whose sum is σ = 34245504. Its totient is φ = 14268480.

The previous prime is 22889401. The next prime is 22889413. The reversal of 22889405 is 50498822.

It is not a de Polignac number, because 22889405 - 2² = 22889401 is a prime.

It is a super-2 number, since 2×22889405² = 1047849722508050, 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 (22889401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29342 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (2140344).

Almost surely, 2^22889405 is an apocalyptic number.

It is an amenable number.

22889405 is a deficient number, since it is larger than the sum of its proper divisors (11356099).

22889405 is a wasteful number, since it uses less digits than its factorization.

22889405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59476.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 22889405 is about 4784.2873032459. The cubic root of 22889405 is about 283.9301430048.

The spelling of 22889405 in words is "twenty-two million, eight hundred eighty-nine thousand, four hundred five".