22133622 has 32 divisors (see below), whose sum is σ = 51962112. Its totient is φ = 6152544.

The previous prime is 22133621. The next prime is 22133623. The reversal of 22133622 is 22633122.

It is an interprime number because it is at equal distance from previous prime (22133621) and next prime (22133623).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5568 + ... + 8675.

It is an arithmetic number, because the mean of its divisors is an integer number (1623816).

Almost surely, 2^22133622 is an apocalyptic number.

22133622 is an abundant number, since it is smaller than the sum of its proper divisors (29828490).

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

22133622 is a wasteful number, since it uses less digits than its factorization.

22133622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14292.

The product of its digits is 864, while the sum is 21.

The square root of 22133622 is about 4704.6383495440. The cubic root of 22133622 is about 280.7700824856.

Adding to 22133622 its reverse (22633122), we get a palindrome (44766744).

Subtracting 22133622 from its reverse (22633122), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 22133622 in words is "twenty-two million, one hundred thirty-three thousand, six hundred twenty-two".