22546449 has 6 divisors (see below), whose sum is σ = 32567106. Its totient is φ = 15030960.

The previous prime is 22546441. The next prime is 22546457. The reversal of 22546449 is 94464522.

22546449 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 644 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (22546441) and next prime (22546457).

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 7800849 = 3840^2 + 2793^2 .

It is not a de Polignac number, because 22546449 - 2³ = 22546441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22546441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252572 + ... + 1252589.

It is an arithmetic number, because the mean of its divisors is an integer number (5427851).

Almost surely, 2^22546449 is an apocalyptic number.

It is an amenable number.

22546449 is a deficient number, since it is larger than the sum of its proper divisors (10020657).

22546449 is a wasteful number, since it uses less digits than its factorization.

22546449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505167 (or 2505164 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22546449 is about 4748.3101204534. The cubic root of 22546449 is about 282.5049426133.

The spelling of 22546449 in words is "twenty-two million, five hundred forty-six thousand, four hundred forty-nine".