22413442 has 4 divisors (see below), whose sum is σ = 33620166. Its totient is φ = 11206720.

The previous prime is 22413427. The next prime is 22413467. The reversal of 22413442 is 24431422.

It is a happy number.

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., 16168441 + 6245001 = 4021^2 + 2499^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5603359 + ... + 5603362.

Almost surely, 2^22413442 is an apocalyptic number.

22413442 is a deficient number, since it is larger than the sum of its proper divisors (11206724).

22413442 is a wasteful number, since it uses less digits than its factorization.

22413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206723.

The product of its digits is 1536, while the sum is 22.

The square root of 22413442 is about 4734.2836839378. The cubic root of 22413442 is about 281.9483247868.

Adding to 22413442 its reverse (24431422), we get a palindrome (46844864).

The spelling of 22413442 in words is "twenty-two million, four hundred thirteen thousand, four hundred forty-two".