20234225 has 18 divisors (see below), whose sum is σ = 27582870. Its totient is φ = 14713600.

The previous prime is 20234189. The next prime is 20234231. The reversal of 20234225 is 52243202.

It can be written as a sum of positive squares in 3 ways, for example, as 3579664 + 16654561 = 1892^2 + 4081^2 .

It is not a de Polignac number, because 20234225 - 2¹⁶ = 20168689 is a prime.

It is a super-2 number, since 2×20234225² = 818847722701250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20234197 and 20234206.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 320 + ... + 6369.

Almost surely, 2^20234225 is an apocalyptic number.

20234225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20234225 is a deficient number, since it is larger than the sum of its proper divisors (7348645).

20234225 is a wasteful number, since it uses less digits than its factorization.

20234225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6705 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20234225 is about 4498.2468807303. The cubic root of 20234225 is about 272.4972925691.

Adding to 20234225 its reverse (52243202), we get a palindrome (72477427).

The spelling of 20234225 in words is "twenty million, two hundred thirty-four thousand, two hundred twenty-five".