427221374 has 8 divisors (see below), whose sum is σ = 641222400. Its totient is φ = 213480576.

The previous prime is 427221371. The next prime is 427221391. The reversal of 427221374 is 473122724.

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

It is a self number, because there is not a number n which added to its sum of digits gives 427221374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427221371) 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, 60899 + ... + 67550.

It is an arithmetic number, because the mean of its divisors is an integer number (80152800).

Almost surely, 2^427221374 is an apocalyptic number.

427221374 is a deficient number, since it is larger than the sum of its proper divisors (214001026).

427221374 is a wasteful number, since it uses less digits than its factorization.

427221374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130114.

The product of its digits is 18816, while the sum is 32.

The square root of 427221374 is about 20669.3341450565. The cubic root of 427221374 is about 753.1549315629.

The spelling of 427221374 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, three hundred seventy-four".