20225774 has 8 divisors (see below), whose sum is σ = 30438408. Its totient is φ = 10079640.

The previous prime is 20225771. The next prime is 20225783. The reversal of 20225774 is 47752202.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15857 + ... + 17084.

It is an arithmetic number, because the mean of its divisors is an integer number (3804801).

Almost surely, 2^20225774 is an apocalyptic number.

20225774 is a deficient number, since it is larger than the sum of its proper divisors (10212634).

20225774 is a wasteful number, since it uses less digits than its factorization.

20225774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33250.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 20225774 is about 4497.3074166661. The cubic root of 20225774 is about 272.4593503318.

Adding to 20225774 its reverse (47752202), we get a palindrome (67977976).

The spelling of 20225774 in words is "twenty million, two hundred twenty-five thousand, seven hundred seventy-four".