22299342 has 64 divisors (see below), whose sum is σ = 51819264. Its totient is φ = 6336000.

The previous prime is 22299337. The next prime is 22299349. The reversal of 22299342 is 24399222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22299349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88717 + ... + 88967.

It is an arithmetic number, because the mean of its divisors is an integer number (809676).

Almost surely, 2^22299342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22299342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25909632).

22299342 is an abundant number, since it is smaller than the sum of its proper divisors (29519922).

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

22299342 is a wasteful number, since it uses less digits than its factorization.

22299342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 15552, while the sum is 33.

The square root of 22299342 is about 4722.2179111091. The cubic root of 22299342 is about 281.4690729684.

The spelling of 22299342 in words is "twenty-two million, two hundred ninety-nine thousand, three hundred forty-two".