22023222 has 16 divisors (see below), whose sum is σ = 47434800. Its totient is φ = 6776352.

The previous prime is 22023217. The next prime is 22023227. The reversal of 22023222 is 22232022.

It is an interprime number because it is at equal distance from previous prime (22023217) and next prime (22023227).

It is a super-2 number, since 2×22023222² = 970044614522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023227) 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, 141097 + ... + 141252.

It is an arithmetic number, because the mean of its divisors is an integer number (2964675).

Almost surely, 2^22023222 is an apocalyptic number.

22023222 is an abundant number, since it is smaller than the sum of its proper divisors (25411578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023222 is a wasteful number, since it uses less digits than its factorization.

22023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282367.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22023222 is about 4692.8905804419. The cubic root of 22023222 is about 280.3024877267.

Adding to 22023222 its reverse (22232022), we get a palindrome (44255244).

The spelling of 22023222 in words is "twenty-two million, twenty-three thousand, two hundred twenty-two".