22225510 has 16 divisors (see below), whose sum is σ = 40300416. Its totient is φ = 8824768.

The previous prime is 22225499. The next prime is 22225517. The reversal of 22225510 is 1552222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225517) 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 7 ways as a sum of consecutive naturals, for example, 6742 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (2518776).

Almost surely, 2^22225510 is an apocalyptic number.

22225510 is a deficient number, since it is larger than the sum of its proper divisors (18074906).

22225510 is a wasteful number, since it uses less digits than its factorization.

22225510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22225510 is about 4714.3939165072. The cubic root of 22225510 is about 281.1580861794.

Adding to 22225510 its reverse (1552222), we get a palindrome (23777732).

The spelling of 22225510 in words is "twenty-two million, two hundred twenty-five thousand, five hundred ten".