22135142 has 8 divisors (see below), whose sum is σ = 33426000. Its totient is φ = 10993144.

The previous prime is 22135103. The next prime is 22135163. The reversal of 22135142 is 24153122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22135142² = 979929022720328, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 36842 + ... + 37437.

It is an arithmetic number, because the mean of its divisors is an integer number (4178250).

Almost surely, 2^22135142 is an apocalyptic number.

22135142 is a deficient number, since it is larger than the sum of its proper divisors (11290858).

22135142 is a wasteful number, since it uses less digits than its factorization.

22135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74430.

The product of its digits is 480, while the sum is 20.

The square root of 22135142 is about 4704.7998894746. The cubic root of 22135142 is about 280.7765095216.

Adding to 22135142 its reverse (24153122), we get a palindrome (46288264).

The spelling of 22135142 in words is "twenty-two million, one hundred thirty-five thousand, one hundred forty-two".