22000465 has 16 divisors (see below), whose sum is σ = 28553472. Its totient is φ = 16209664.

The previous prime is 22000463. The next prime is 22000487. The reversal of 22000465 is 56400022.

It is a cyclic number.

It is not a de Polignac number, because 22000465 - 2¹ = 22000463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22000463) 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, 1242 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (1784592).

Almost surely, 2^22000465 is an apocalyptic number.

It is an amenable number.

22000465 is a deficient number, since it is larger than the sum of its proper divisors (6553007).

22000465 is a wasteful number, since it uses less digits than its factorization.

22000465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22000465 is about 4690.4653287281. The cubic root of 22000465 is about 280.2059072157.

Adding to 22000465 its reverse (56400022), we get a palindrome (78400487).

The spelling of 22000465 in words is "twenty-two million, four hundred sixty-five", and thus it is an aban number.