427221301 has 16 divisors (see below), whose sum is σ = 484041600. Its totient is φ = 374286528.

The previous prime is 427221259. The next prime is 427221313. The reversal of 427221301 is 103122724.

It is not a de Polignac number, because 427221301 - 2⁷ = 427221173 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 (427221341) 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, 12640 + ... + 31846.

It is an arithmetic number, because the mean of its divisors is an integer number (30252600).

Almost surely, 2^427221301 is an apocalyptic number.

It is an amenable number.

427221301 is a deficient number, since it is larger than the sum of its proper divisors (56820299).

427221301 is a wasteful number, since it uses less digits than its factorization.

427221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 427221301 is about 20669.3323791554. The cubic root of 427221301 is about 753.1548886653.

The spelling of 427221301 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, three hundred one".