23022442 has 8 divisors (see below), whose sum is σ = 34643556. Its totient is φ = 11474592.

The previous prime is 23022413. The next prime is 23022463. The reversal of 23022442 is 24422032.

It can be written as a sum of positive squares in 2 ways, for example, as 18054001 + 4968441 = 4249^2 + 2229^2 .

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, 17523 + ... + 18790.

Almost surely, 2^23022442 is an apocalyptic number.

23022442 is a deficient number, since it is larger than the sum of its proper divisors (11621114).

23022442 is a wasteful number, since it uses less digits than its factorization.

23022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23022442 is about 4798.1706930871. The cubic root of 23022442 is about 284.4791636607.

Adding to 23022442 its reverse (24422032), we get a palindrome (47444474).

The spelling of 23022442 in words is "twenty-three million, twenty-two thousand, four hundred forty-two".