22364915 has 8 divisors (see below), whose sum is σ = 26885760. Its totient is φ = 17860032.

The previous prime is 22364891. The next prime is 22364917. The reversal of 22364915 is 51946322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22364915 - 2⁶ = 22364851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22364917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (3360720).

Almost surely, 2^22364915 is an apocalyptic number.

22364915 is a deficient number, since it is larger than the sum of its proper divisors (4520845).

22364915 is an equidigital number, since it uses as much as digits as its factorization.

22364915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981.

The product of its digits is 12960, while the sum is 32.

The square root of 22364915 is about 4729.1558443342. The cubic root of 22364915 is about 281.7446970924.

The spelling of 22364915 in words is "twenty-two million, three hundred sixty-four thousand, nine hundred fifteen".