22313145 has 8 divisors (see below), whose sum is σ = 35701056. Its totient is φ = 11900336.

The previous prime is 22313131. The next prime is 22313153. The reversal of 22313145 is 54131322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22313145 - 2⁵ = 22313113 is a prime.

It is a super-3 number, since 3×22313145³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743757 + ... + 743786.

It is an arithmetic number, because the mean of its divisors is an integer number (4462632).

Almost surely, 2^22313145 is an apocalyptic number.

It is an amenable number.

22313145 is a deficient number, since it is larger than the sum of its proper divisors (13387911).

22313145 is a wasteful number, since it uses less digits than its factorization.

22313145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487551.

The product of its digits is 720, while the sum is 21.

The square root of 22313145 is about 4723.6791804694. The cubic root of 22313145 is about 281.5271362104.

Adding to 22313145 its reverse (54131322), we get a palindrome (76444467).

The spelling of 22313145 in words is "twenty-two million, three hundred thirteen thousand, one hundred forty-five".