435222401 has 4 divisors (see below), whose sum is σ = 450230100. Its totient is φ = 420214704.

The previous prime is 435222391. The next prime is 435222427. The reversal of 435222401 is 104222534.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125462401 + 309760000 = 11201^2 + 17600^2 .

It is a cyclic number.

It is not a de Polignac number, because 435222401 - 2¹⁰ = 435221377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (435222001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503806 + ... + 7503863.

It is an arithmetic number, because the mean of its divisors is an integer number (112557525).

Almost surely, 2^435222401 is an apocalyptic number.

It is an amenable number.

435222401 is a deficient number, since it is larger than the sum of its proper divisors (15007699).

435222401 is a wasteful number, since it uses less digits than its factorization.

435222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007698.

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

The square root of 435222401 is about 20861.9845891996. The cubic root of 435222401 is about 757.8275918270.

Adding to 435222401 its reverse (104222534), we get a palindrome (539444935).

The spelling of 435222401 in words is "four hundred thirty-five million, two hundred twenty-two thousand, four hundred one".