23742226 has 8 divisors (see below), whose sum is σ = 35706060. Its totient is φ = 11840208.

The previous prime is 23742203. The next prime is 23742227. The reversal of 23742226 is 62224732.

It can be written as a sum of positive squares in 2 ways, for example, as 18054001 + 5688225 = 4249^2 + 2385^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23742194 and 23742203.

It is not an unprimeable number, because it can be changed into a prime (23742227) 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 in 3 ways as a sum of consecutive naturals, for example, 14481 + ... + 16036.

Almost surely, 2^23742226 is an apocalyptic number.

23742226 is a deficient number, since it is larger than the sum of its proper divisors (11963834).

23742226 is a wasteful number, since it uses less digits than its factorization.

23742226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30908.

The product of its digits is 8064, while the sum is 28.

The square root of 23742226 is about 4872.5995115544. The cubic root of 23742226 is about 287.4134877697.

Adding to 23742226 its reverse (62224732), we get a palindrome (85966958).

The spelling of 23742226 in words is "twenty-three million, seven hundred forty-two thousand, two hundred twenty-six".