22461465 has 32 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 10987776.

The previous prime is 22461463. The next prime is 22461469. The reversal of 22461465 is 56416422.

It is not a de Polignac number, because 22461465 - 2¹ = 22461463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22461463) 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 31 ways as a sum of consecutive naturals, for example, 44404 + ... + 44906.

It is an arithmetic number, because the mean of its divisors is an integer number (1217160).

Almost surely, 2^22461465 is an apocalyptic number.

It is an amenable number.

22461465 is a deficient number, since it is larger than the sum of its proper divisors (16487655).

22461465 is a wasteful number, since it uses less digits than its factorization.

22461465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753.

The product of its digits is 11520, while the sum is 30.

The square root of 22461465 is about 4739.3528039174. The cubic root of 22461465 is about 282.1495484637.

Adding to 22461465 its reverse (56416422), we get a palindrome (78877887).

The spelling of 22461465 in words is "twenty-two million, four hundred sixty-one thousand, four hundred sixty-five".