22430542 has 4 divisors (see below), whose sum is σ = 33645816. Its totient is φ = 11215270.

The previous prime is 22430539. The next prime is 22430587. The reversal of 22430542 is 24503422.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607634 + ... + 5607637.

It is an arithmetic number, because the mean of its divisors is an integer number (8411454).

Almost surely, 2^22430542 is an apocalyptic number.

22430542 is a deficient number, since it is larger than the sum of its proper divisors (11215274).

22430542 is a wasteful number, since it uses less digits than its factorization.

22430542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215273.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22430542 is about 4736.0893150362. The cubic root of 22430542 is about 282.0200093107.

Adding to 22430542 its reverse (24503422), we get a palindrome (46933964).

The spelling of 22430542 in words is "twenty-two million, four hundred thirty thousand, five hundred forty-two".