22313445 has 32 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 9272640.

The previous prime is 22313443. The next prime is 22313449. The reversal of 22313445 is 54431322.

It is not a de Polignac number, because 22313445 - 2¹ = 22313443 is a prime.

It is a super-3 number, since 3×22313445³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8505 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^22313445 is an apocalyptic number.

It is an amenable number.

22313445 is a deficient number, since it is larger than the sum of its proper divisors (22199835).

22313445 is a wasteful number, since it uses less digits than its factorization.

22313445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345.

The product of its digits is 2880, while the sum is 24.

The square root of 22313445 is about 4723.7109352711. The cubic root of 22313445 is about 281.5283979146.

Adding to 22313445 its reverse (54431322), we get a palindrome (76744767).

The spelling of 22313445 in words is "twenty-two million, three hundred thirteen thousand, four hundred forty-five".