4221177427 has 16 divisors (see below), whose sum is σ = 4563407520. Its totient is φ = 3891456000.

The previous prime is 4221177407. The next prime is 4221177487. The reversal of 4221177427 is 7247711224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4221177427 - 2¹⁹ = 4220653139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221177407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305623 + ... + 319135.

It is an arithmetic number, because the mean of its divisors is an integer number (285212970).

Almost surely, 2^4221177427 is an apocalyptic number.

4221177427 is a deficient number, since it is larger than the sum of its proper divisors (342230093).

4221177427 is a wasteful number, since it uses less digits than its factorization.

4221177427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974.

The product of its digits is 43904, while the sum is 37.

The square root of 4221177427 is about 64970.5889383804. The cubic root of 4221177427 is about 1616.1358682031.

The spelling of 4221177427 in words is "four billion, two hundred twenty-one million, one hundred seventy-seven thousand, four hundred twenty-seven".