22097505 has 16 divisors (see below), whose sum is σ = 35784000. Its totient is φ = 11642688.

The previous prime is 22097479. The next prime is 22097519. The reversal of 22097505 is 50579022.

It is a happy number.

It is not a de Polignac number, because 22097505 - 2⁶ = 22097441 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7630 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (2236500).

Almost surely, 2^22097505 is an apocalyptic number.

It is an amenable number.

22097505 is a deficient number, since it is larger than the sum of its proper divisors (13686495).

22097505 is a wasteful number, since it uses less digits than its factorization.

22097505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 22097505 is about 4700.7983364531. The cubic root of 22097505 is about 280.6172818614.

The spelling of 22097505 in words is "twenty-two million, ninety-seven thousand, five hundred five".