22635142 has 4 divisors (see below), whose sum is σ = 33952716. Its totient is φ = 11317570.

The previous prime is 22635113. The next prime is 22635149. The reversal of 22635142 is 24153622.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22635149) by changing a digit.

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 as a sum of consecutive naturals, namely, 5658784 + ... + 5658787.

It is an arithmetic number, because the mean of its divisors is an integer number (8488179).

Almost surely, 2^22635142 is an apocalyptic number.

22635142 is a deficient number, since it is larger than the sum of its proper divisors (11317574).

22635142 is a wasteful number, since it uses less digits than its factorization.

22635142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317573.

The product of its digits is 2880, while the sum is 25.

The square root of 22635142 is about 4757.6403815337. The cubic root of 22635142 is about 282.8748963208.

Adding to 22635142 its reverse (24153622), we get a palindrome (46788764).

The spelling of 22635142 in words is "twenty-two million, six hundred thirty-five thousand, one hundred forty-two".