22445361 has 6 divisors (see below), whose sum is σ = 32421090. Its totient is φ = 14963568.

The previous prime is 22445359. The next prime is 22445363. The reversal of 22445361 is 16354422.

It is an interprime number because it is at equal distance from previous prime (22445359) and next prime (22445363).

It can be written as a sum of positive squares in only one way, i.e., 22268961 + 176400 = 4719^2 + 420^2 .

It is not a de Polignac number, because 22445361 - 2¹ = 22445359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22445363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1246956 + ... + 1246973.

It is an arithmetic number, because the mean of its divisors is an integer number (5403515).

Almost surely, 2^22445361 is an apocalyptic number.

It is an amenable number.

22445361 is a deficient number, since it is larger than the sum of its proper divisors (9975729).

22445361 is a wasteful number, since it uses less digits than its factorization.

22445361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493935 (or 2493932 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22445361 is about 4737.6535331322. The cubic root of 22445361 is about 282.0821022448.

Adding to 22445361 its reverse (16354422), we get a palindrome (38799783).

The spelling of 22445361 in words is "twenty-two million, four hundred forty-five thousand, three hundred sixty-one".