22545346 has 4 divisors (see below), whose sum is σ = 33818022. Its totient is φ = 11272672.

The previous prime is 22545337. The next prime is 22545353. The reversal of 22545346 is 64354522.

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., 22137025 + 408321 = 4705^2 + 639^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636335 + ... + 5636338.

Almost surely, 2^22545346 is an apocalyptic number.

22545346 is a deficient number, since it is larger than the sum of its proper divisors (11272676).

22545346 is a wasteful number, since it uses less digits than its factorization.

22545346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272675.

The product of its digits is 28800, while the sum is 31.

The square root of 22545346 is about 4748.1939724489. The cubic root of 22545346 is about 282.5003357085.

Adding to 22545346 its reverse (64354522), we get a palindrome (86899868).

The spelling of 22545346 in words is "twenty-two million, five hundred forty-five thousand, three hundred forty-six".