22546346 has 4 divisors (see below), whose sum is σ = 33819522. Its totient is φ = 11273172.

The previous prime is 22546343. The next prime is 22546361. The reversal of 22546346 is 64364522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 2070721 = 4525^2 + 1439^2 .

It is not an unprimeable number, because it can be changed into a prime (22546343) by changing a digit.

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 as a sum of consecutive naturals, namely, 5636585 + ... + 5636588.

Almost surely, 2^22546346 is an apocalyptic number.

22546346 is a deficient number, since it is larger than the sum of its proper divisors (11273176).

22546346 is a wasteful number, since it uses less digits than its factorization.

22546346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273175.

The product of its digits is 34560, while the sum is 32.

The square root of 22546346 is about 4748.2992744771. The cubic root of 22546346 is about 282.5045124191.

The spelling of 22546346 in words is "twenty-two million, five hundred forty-six thousand, three hundred forty-six".