22445461 has 8 divisors (see below), whose sum is σ = 22993920. Its totient is φ = 21900048.

The previous prime is 22445459. The next prime is 22445473. The reversal of 22445461 is 16454422.

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 22445461 - 2¹ = 22445459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22015 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (2874240).

Almost surely, 2^22445461 is an apocalyptic number.

It is an amenable number.

22445461 is a deficient number, since it is larger than the sum of its proper divisors (548459).

22445461 is an equidigital number, since it uses as much as digits as its factorization.

22445461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its digits is 7680, while the sum is 28.

The square root of 22445461 is about 4737.6640868681. The cubic root of 22445461 is about 282.0825211609.

Adding to 22445461 its reverse (16454422), we get a palindrome (38899883).

The spelling of 22445461 in words is "twenty-two million, four hundred forty-five thousand, four hundred sixty-one".