22916042 has 4 divisors (see below), whose sum is σ = 34374066. Its totient is φ = 11458020.

The previous prime is 22916041. The next prime is 22916059. The reversal of 22916042 is 24061922.

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

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 58081 = 4781^2 + 241^2 .

It is a super-3 number, since 3×22916042³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22916041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729009 + ... + 5729012.

Almost surely, 2^22916042 is an apocalyptic number.

22916042 is a deficient number, since it is larger than the sum of its proper divisors (11458024).

22916042 is a wasteful number, since it uses less digits than its factorization.

22916042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11458023.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22916042 is about 4787.0702940316. The cubic root of 22916042 is about 284.0402392894.

Adding to 22916042 its reverse (24061922), we get a palindrome (46977964).

The spelling of 22916042 in words is "twenty-two million, nine hundred sixteen thousand, forty-two".