22223445 has 16 divisors (see below), whose sum is σ = 37429440. Its totient is φ = 11228544.

The previous prime is 22223429. The next prime is 22223473. The reversal of 22223445 is 54432222.

It is a happy number.

It is not a de Polignac number, because 22223445 - 2⁴ = 22223429 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38704 + ... + 39273.

It is an arithmetic number, because the mean of its divisors is an integer number (2339340).

Almost surely, 2^22223445 is an apocalyptic number.

It is an amenable number.

22223445 is a deficient number, since it is larger than the sum of its proper divisors (15205995).

22223445 is a wasteful number, since it uses less digits than its factorization.

22223445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78004.

The product of its digits is 3840, while the sum is 24.

The square root of 22223445 is about 4714.1749012950. The cubic root of 22223445 is about 281.1493783263.

Adding to 22223445 its reverse (54432222), we get a palindrome (76655667).

The spelling of 22223445 in words is "twenty-two million, two hundred twenty-three thousand, four hundred forty-five".