22136042 has 8 divisors (see below), whose sum is σ = 33396516. Its totient is φ = 11003872.

The previous prime is 22136029. The next prime is 22136071. The reversal of 22136042 is 24063122.

It can be written as a sum of positive squares in 2 ways, for example, as 20620681 + 1515361 = 4541^2 + 1231^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31643 + ... + 32334.

Almost surely, 2^22136042 is an apocalyptic number.

22136042 is a deficient number, since it is larger than the sum of its proper divisors (11260474).

22136042 is a wasteful number, since it uses less digits than its factorization.

22136042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64152.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22136042 is about 4704.8955355034. The cubic root of 22136042 is about 280.7803148648.

Adding to 22136042 its reverse (24063122), we get a palindrome (46199164).

It can be divided in two parts, 221 and 36042, that added together give a palindrome (36263).

The spelling of 22136042 in words is "twenty-two million, one hundred thirty-six thousand, forty-two".