25422223 has 4 divisors (see below), whose sum is σ = 25536448. Its totient is φ = 25308000.

The previous prime is 25422193. The next prime is 25422233. The reversal of 25422223 is 32222452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25422223 - 2¹⁷ = 25291151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25422194 and 25422203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422233) 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, 56778 + ... + 57223.

It is an arithmetic number, because the mean of its divisors is an integer number (6384112).

Almost surely, 2^25422223 is an apocalyptic number.

25422223 is a deficient number, since it is larger than the sum of its proper divisors (114225).

25422223 is a wasteful number, since it uses less digits than its factorization.

25422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114224.

The product of its digits is 1920, while the sum is 22.

The square root of 25422223 is about 5042.0455174463. The cubic root of 25422223 is about 294.0387094819.

Adding to 25422223 its reverse (32222452), we get a palindrome (57644675).

The spelling of 25422223 in words is "twenty-five million, four hundred twenty-two thousand, two hundred twenty-three".