43222025 has 24 divisors (see below), whose sum is σ = 66823104. Its totient is φ = 26942400.

The previous prime is 43221961. The next prime is 43222033. The reversal of 43222025 is 52022234.

It is not a de Polignac number, because 43222025 - 2⁶ = 43221961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43221988 and 43222006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9302 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (2784296).

Almost surely, 2^43222025 is an apocalyptic number.

It is an amenable number.

43222025 is a deficient number, since it is larger than the sum of its proper divisors (23601079).

43222025 is a wasteful number, since it uses less digits than its factorization.

43222025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22481 (or 22476 counting only the distinct ones).

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

The square root of 43222025 is about 6574.3459750762. The cubic root of 43222025 is about 350.9417494643.

Adding to 43222025 its reverse (52022234), we get a palindrome (95244259).

It can be divided in two parts, 4 and 3222025, that multiplied together give a square (12888100 = 3590²).

The spelling of 43222025 in words is "forty-three million, two hundred twenty-two thousand, twenty-five".