22211223 has 8 divisors (see below), whose sum is σ = 29636736. Its totient is φ = 14796600.

The previous prime is 22211219. The next prime is 22211249. The reversal of 22211223 is 32211222.

It is a happy number.

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

It is not a de Polignac number, because 22211223 - 2² = 22211219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22215223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6768 + ... + 9498.

It is an arithmetic number, because the mean of its divisors is an integer number (3704592).

Almost surely, 2^22211223 is an apocalyptic number.

22211223 is a deficient number, since it is larger than the sum of its proper divisors (7425513).

22211223 is a wasteful number, since it uses less digits than its factorization.

22211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445.

The product of its digits is 96, while the sum is 15.

The square root of 22211223 is about 4712.8784198195. The cubic root of 22211223 is about 281.0978285955.

Adding to 22211223 its reverse (32211222), we get a palindrome (54422445).

Subtracting 22211223 from its reverse (32211222), we obtain a palindrome (9999999).

The spelling of 22211223 in words is "twenty-two million, two hundred eleven thousand, two hundred twenty-three".