4215522401 has 4 divisors (see below), whose sum is σ = 4215711792. Its totient is φ = 4215333012.

The previous prime is 4215522359. The next prime is 4215522407. The reversal of 4215522401 is 1042255124.

4215522401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4215522401 - 2²² = 4211328097 is a prime.

It is a super-2 number, since 2×4215522401² = 35541258226665609602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4215522407) 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, 56051 + ... + 107576.

It is an arithmetic number, because the mean of its divisors is an integer number (1053927948).

Almost surely, 2^4215522401 is an apocalyptic number.

It is an amenable number.

4215522401 is a deficient number, since it is larger than the sum of its proper divisors (189391).

4215522401 is a wasteful number, since it uses less digits than its factorization.

4215522401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189390.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4215522401 is about 64927.0544611412. The cubic root of 4215522401 is about 1615.4138441712.

Adding to 4215522401 its reverse (1042255124), we get a palindrome (5257777525).

The spelling of 4215522401 in words is "four billion, two hundred fifteen million, five hundred twenty-two thousand, four hundred one".