22424142 has 32 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 6536160.

The previous prime is 22424137. The next prime is 22424147. The reversal of 22424142 is 24142422.

It is an interprime number because it is at equal distance from previous prime (22424137) and next prime (22424147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424147) 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, 6084 + ... + 9047.

It is an arithmetic number, because the mean of its divisors is an integer number (1588860).

Almost surely, 2^22424142 is an apocalyptic number.

22424142 is an abundant number, since it is smaller than the sum of its proper divisors (28419378).

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

22424142 is a wasteful number, since it uses less digits than its factorization.

22424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168.

The product of its digits is 1024, while the sum is 21.

The square root of 22424142 is about 4735.4136038999. The cubic root of 22424142 is about 281.9931842827.

Adding to 22424142 its reverse (24142422), we get a palindrome (46566564).

The spelling of 22424142 in words is "twenty-two million, four hundred twenty-four thousand, one hundred forty-two".