437212225 has 6 divisors (see below), whose sum is σ = 542143190. Its totient is φ = 349769760.

The previous prime is 437212213. The next prime is 437212229. The reversal of 437212225 is 522212734.

It can be written as a sum of positive squares in 3 ways, for example, as 90098064 + 347114161 = 9492^2 + 18631^2 .

It is not a de Polignac number, because 437212225 - 2²³ = 428823617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 437212193 and 437212202.

It is not an unprimeable number, because it can be changed into a prime (437212229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8744220 + ... + 8744269.

Almost surely, 2^437212225 is an apocalyptic number.

It is an amenable number.

437212225 is a deficient number, since it is larger than the sum of its proper divisors (104930965).

437212225 is a wasteful number, since it uses less digits than its factorization.

437212225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488499 (or 17488494 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 437212225 is about 20909.6203934935. The cubic root of 437212225 is about 758.9807580051.

Adding to 437212225 its reverse (522212734), we get a palindrome (959424959).

The spelling of 437212225 in words is "four hundred thirty-seven million, two hundred twelve thousand, two hundred twenty-five".