4221565627 has 4 divisors (see below), whose sum is σ = 4244889376. Its totient is φ = 4198241880.

The previous prime is 4221565609. The next prime is 4221565679. The reversal of 4221565627 is 7265651224.

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

It is a cyclic number.

It is not a de Polignac number, because 4221565627 - 2²³ = 4213177019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221565627.

It is not an unprimeable number, because it can be changed into a prime (4221565927) 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, 11661603 + ... + 11661964.

It is an arithmetic number, because the mean of its divisors is an integer number (1061222344).

Almost surely, 2^4221565627 is an apocalyptic number.

4221565627 is a deficient number, since it is larger than the sum of its proper divisors (23323749).

4221565627 is a wasteful number, since it uses less digits than its factorization.

4221565627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23323748.

The product of its digits is 201600, while the sum is 40.

The square root of 4221565627 is about 64973.5763753235. The cubic root of 4221565627 is about 1616.1854092552.

The spelling of 4221565627 in words is "four billion, two hundred twenty-one million, five hundred sixty-five thousand, six hundred twenty-seven".