22363442 has 8 divisors (see below), whose sum is σ = 33579036. Its totient is φ = 11170432.

The previous prime is 22363433. The next prime is 22363487. The reversal of 22363442 is 24436322.

It is a Cunningham number, because it is equal to 4729²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 22363441 + 1 = 4729^2 + 1^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903 + ... + 7290.

Almost surely, 2^22363442 is an apocalyptic number.

22363442 is a deficient number, since it is larger than the sum of its proper divisors (11215594).

22363442 is a wasteful number, since it uses less digits than its factorization.

22363442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292.

The product of its digits is 6912, while the sum is 26.

The square root of 22363442 is about 4729.0001057306. Note that the first 3 decimals coincide. The cubic root of 22363442 is about 281.7385115252.

Adding to 22363442 its reverse (24436322), we get a palindrome (46799764).

The spelling of 22363442 in words is "twenty-two million, three hundred sixty-three thousand, four hundred forty-two".