4213220225 has 12 divisors (see below), whose sum is σ = 5238045696. Its totient is φ = 3361768080.

The previous prime is 4213220203. The next prime is 4213220233. The reversal of 4213220225 is 5220223124.

It is not a de Polignac number, because 4213220225 - 2¹⁶ = 4213154689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4213220225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210437 + ... + 229586.

It is an arithmetic number, because the mean of its divisors is an integer number (436503808).

Almost surely, 2^4213220225 is an apocalyptic number.

It is an amenable number.

4213220225 is a deficient number, since it is larger than the sum of its proper divisors (1024825471).

4213220225 is a wasteful number, since it uses less digits than its factorization.

4213220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440416 (or 440411 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4213220225 is about 64909.3230976876. The cubic root of 4213220225 is about 1615.1197213372.

Adding to 4213220225 its reverse (5220223124), we get a palindrome (9433443349).

The spelling of 4213220225 in words is "four billion, two hundred thirteen million, two hundred twenty thousand, two hundred twenty-five".