22427346 has 16 divisors (see below), whose sum is σ = 46805184. Its totient is φ = 7150704.

The previous prime is 22427341. The next prime is 22427351. The reversal of 22427346 is 64372422.

It is an interprime number because it is at equal distance from previous prime (22427341) and next prime (22427351).

It is not an unprimeable number, because it can be changed into a prime (22427341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81121 + ... + 81396.

It is an arithmetic number, because the mean of its divisors is an integer number (2925324).

Almost surely, 2^22427346 is an apocalyptic number.

22427346 is an abundant number, since it is smaller than the sum of its proper divisors (24377838).

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

22427346 is a wasteful number, since it uses less digits than its factorization.

22427346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162545.

The product of its digits is 16128, while the sum is 30.

The square root of 22427346 is about 4735.7518938390. The cubic root of 22427346 is about 282.0066142003.

Adding to 22427346 its reverse (64372422), we get a palindrome (86799768).

The spelling of 22427346 in words is "twenty-two million, four hundred twenty-seven thousand, three hundred forty-six".