22452546 has 16 divisors (see below), whose sum is σ = 47546784. Its totient is φ = 7043904.

The previous prime is 22452539. The next prime is 22452553. The reversal of 22452546 is 64525422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22452539) and next prime (22452553).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109960 + ... + 110163.

It is an arithmetic number, because the mean of its divisors is an integer number (2971674).

Almost surely, 2^22452546 is an apocalyptic number.

22452546 is an abundant number, since it is smaller than the sum of its proper divisors (25094238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22452546 is a wasteful number, since it uses less digits than its factorization.

22452546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220145.

The product of its digits is 19200, while the sum is 30.

The square root of 22452546 is about 4738.4117592290. The cubic root of 22452546 is about 282.1121981992.

Adding to 22452546 its reverse (64525422), we get a palindrome (86977968).

The spelling of 22452546 in words is "twenty-two million, four hundred fifty-two thousand, five hundred forty-six".