25022213 has 2 divisors, whose sum is σ = 25022214. Its totient is φ = 25022212.

The previous prime is 25022209. The next prime is 25022227. The reversal of 25022213 is 31222052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25020004 + 2209 = 5002^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 25022213 - 2² = 25022209 is a prime.

It is a super-2 number, since 2×25022213² = 1252222286834738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25022191 and 25022200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25022203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511106 + 12511107.

It is an arithmetic number, because the mean of its divisors is an integer number (12511107).

Almost surely, 2^25022213 is an apocalyptic number.

It is an amenable number.

25022213 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022213 is an equidigital number, since it uses as much as digits as its factorization.

25022213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25022213 is about 5002.2208068017. The cubic root of 25022213 is about 292.4883497929.

Adding to 25022213 its reverse (31222052), we get a palindrome (56244265).

The spelling of 25022213 in words is "twenty-five million, twenty-two thousand, two hundred thirteen".