22354146 has 48 divisors (see below), whose sum is σ = 51423840. Its totient is φ = 6998400.

The previous prime is 22354063. The next prime is 22354151. The reversal of 22354146 is 64145322.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 55546 + ... + 55946.

It is an arithmetic number, because the mean of its divisors is an integer number (1071330).

Almost surely, 2^22354146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22354146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25711920).

22354146 is an abundant number, since it is smaller than the sum of its proper divisors (29069694).

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

22354146 is a wasteful number, since it uses less digits than its factorization.

22354146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22354146 is about 4728.0171319487. The cubic root of 22354146 is about 281.6994685762.

Adding to 22354146 its reverse (64145322), we get a palindrome (86499468).

It can be divided in two parts, 22354 and 146, that added together give a square (22500 = 150²).

The spelling of 22354146 in words is "twenty-two million, three hundred fifty-four thousand, one hundred forty-six".