43222401 has 48 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 26282880.

The previous prime is 43222373. The next prime is 43222409. The reversal of 43222401 is 10422234.

43222401 = 96³ + 97³ + ... + 126³.

43222401 is a `hidden beast` number, since 43 + 222 + 401 = 666.

It is not a de Polignac number, because 43222401 - 2⁵ = 43222369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43222409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547080 + ... + 547158.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^43222401 is an apocalyptic number.

It is an amenable number.

43222401 is a deficient number, since it is larger than the sum of its proper divisors (25068159).

43222401 is a wasteful number, since it uses less digits than its factorization.

43222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43222401 is about 6574.3745710143. The cubic root of 43222401 is about 350.9427671068.

Adding to 43222401 its reverse (10422234), we get a palindrome (53644635).

It can be divided in two parts, 4322240 and 1, that added together give a square (4322241 = 2079²).

The spelling of 43222401 in words is "forty-three million, two hundred twenty-two thousand, four hundred one".