22435457 has 12 divisors (see below), whose sum is σ = 24838548. Its totient is φ = 20248800.

The previous prime is 22435423. The next prime is 22435463. The reversal of 22435457 is 75453422.

It can be written as a sum of positive squares in 2 ways, for example, as 14318656 + 8116801 = 3784^2 + 2849^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22435457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22435417) 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 11 ways as a sum of consecutive naturals, for example, 18407 + ... + 19587.

It is an arithmetic number, because the mean of its divisors is an integer number (2069879).

Almost surely, 2^22435457 is an apocalyptic number.

It is an amenable number.

22435457 is a deficient number, since it is larger than the sum of its proper divisors (2403091).

22435457 is a wasteful number, since it uses less digits than its factorization.

22435457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1349 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 22435457 is about 4736.6081746330. The cubic root of 22435457 is about 282.0406066301.

Adding to 22435457 its reverse (75453422), we get a palindrome (97888879).

The spelling of 22435457 in words is "twenty-two million, four hundred thirty-five thousand, four hundred fifty-seven".