22425485 has 4 divisors (see below), whose sum is σ = 26910588. Its totient is φ = 17940384.

The previous prime is 22425457. The next prime is 22425517. The reversal of 22425485 is 58452422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 20124196 = 1517^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 22425485 - 2²² = 18231181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242544 + ... + 2242553.

It is an arithmetic number, because the mean of its divisors is an integer number (6727647).

Almost surely, 2^22425485 is an apocalyptic number.

It is an amenable number.

22425485 is a deficient number, since it is larger than the sum of its proper divisors (4485103).

22425485 is an equidigital number, since it uses as much as digits as its factorization.

22425485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485102.

The product of its digits is 25600, while the sum is 32.

The square root of 22425485 is about 4735.5554056520. Note that the first 3 decimals coincide. The cubic root of 22425485 is about 281.9988137703.

The spelling of 22425485 in words is "twenty-two million, four hundred twenty-five thousand, four hundred eighty-five".