22425436 has 24 divisors (see below), whose sum is σ = 43456896. Its totient is φ = 10039920.

The previous prime is 22425433. The next prime is 22425457. The reversal of 22425436 is 63452422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 6751.

It is an arithmetic number, because the mean of its divisors is an integer number (1810704).

Almost surely, 2^22425436 is an apocalyptic number.

It is an amenable number.

22425436 is a deficient number, since it is larger than the sum of its proper divisors (21031460).

22425436 is a wasteful number, since it uses less digits than its factorization.

22425436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7687 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22425436 is about 4735.5502320216. The cubic root of 22425436 is about 281.9986083797.

Adding to 22425436 its reverse (63452422), we get a palindrome (85877858).

The spelling of 22425436 in words is "twenty-two million, four hundred twenty-five thousand, four hundred thirty-six".