22446865 has 16 divisors (see below), whose sum is σ = 30953088. Its totient is φ = 15307776.

The previous prime is 22446859. The next prime is 22446877. The reversal of 22446865 is 56864422.

It is a cyclic number.

It is not a de Polignac number, because 22446865 - 2¹¹ = 22444817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5094 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (1934568).

Almost surely, 2^22446865 is an apocalyptic number.

It is an amenable number.

22446865 is a deficient number, since it is larger than the sum of its proper divisors (8506223).

22446865 is a wasteful number, since it uses less digits than its factorization.

22446865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528.

The product of its digits is 92160, while the sum is 37.

The square root of 22446865 is about 4737.8122588385. The cubic root of 22446865 is about 282.0884026114.

It can be divided in two parts, 224 and 46865, that added together give a square (47089 = 217²).

The spelling of 22446865 in words is "twenty-two million, four hundred forty-six thousand, eight hundred sixty-five".