4221432101 has 8 divisors (see below), whose sum is σ = 4310505624. Its totient is φ = 4133203200.

The previous prime is 4221432073. The next prime is 4221432107. The reversal of 4221432101 is 1012341224.

It can be written as a sum of positive squares in 4 ways, for example, as 2244295876 + 1977136225 = 47374^2 + 44465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4221432101 - 2¹⁴ = 4221415717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221432107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201050 + ... + 221051.

It is an arithmetic number, because the mean of its divisors is an integer number (538813203).

Almost surely, 2^4221432101 is an apocalyptic number.

It is an amenable number.

4221432101 is a deficient number, since it is larger than the sum of its proper divisors (89073523).

4221432101 is a wasteful number, since it uses less digits than its factorization.

4221432101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422311.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4221432101 is about 64972.5488264082. The cubic root of 4221432101 is about 1616.1683693647.

Adding to 4221432101 its reverse (1012341224), we get a palindrome (5233773325).

The spelling of 4221432101 in words is "four billion, two hundred twenty-one million, four hundred thirty-two thousand, one hundred one".