421227057 has 8 divisors (see below), whose sum is σ = 570018976. Its totient is φ = 276626592.

The previous prime is 421227041. The next prime is 421227061. The reversal of 421227057 is 750722124.

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

It is not a de Polignac number, because 421227057 - 2⁴ = 421227041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421227757) 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, 1047628 + ... + 1048029.

It is an arithmetic number, because the mean of its divisors is an integer number (71252372).

Almost surely, 2^421227057 is an apocalyptic number.

It is an amenable number.

421227057 is a deficient number, since it is larger than the sum of its proper divisors (148791919).

421227057 is a wasteful number, since it uses less digits than its factorization.

421227057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095727.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 421227057 is about 20523.8168233884. The cubic root of 421227057 is about 749.6158370365.

The spelling of 421227057 in words is "four hundred twenty-one million, two hundred twenty-seven thousand, fifty-seven".