22434142 has 16 divisors (see below), whose sum is σ = 34854912. Its totient is φ = 10818360.

The previous prime is 22434133. The next prime is 22434149. The reversal of 22434142 is 24143422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434149) 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, 29823 + ... + 30565.

It is an arithmetic number, because the mean of its divisors is an integer number (2178432).

Almost surely, 2^22434142 is an apocalyptic number.

22434142 is a deficient number, since it is larger than the sum of its proper divisors (12420770).

22434142 is a wasteful number, since it uses less digits than its factorization.

22434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its digits is 1536, while the sum is 22.

The square root of 22434142 is about 4736.4693601880. The cubic root of 22434142 is about 282.0350961467.

Adding to 22434142 its reverse (24143422), we get a palindrome (46577564).

The spelling of 22434142 in words is "twenty-two million, four hundred thirty-four thousand, one hundred forty-two".