22249005 has 16 divisors (see below), whose sum is σ = 37692864. Its totient is φ = 11168000.

The previous prime is 22248997. The next prime is 22249009. The reversal of 22249005 is 50094222.

It is not a de Polignac number, because 22249005 - 2³ = 22248997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22249009) 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, 43371 + ... + 43880.

It is an arithmetic number, because the mean of its divisors is an integer number (2355804).

Almost surely, 2^22249005 is an apocalyptic number.

It is an amenable number.

22249005 is a deficient number, since it is larger than the sum of its proper divisors (15443859).

22249005 is a wasteful number, since it uses less digits than its factorization.

22249005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87276.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22249005 is about 4716.8850950601. The cubic root of 22249005 is about 281.2571237702.

The spelling of 22249005 in words is "twenty-two million, two hundred forty-nine thousand, five".