427221302 has 4 divisors (see below), whose sum is σ = 640831956. Its totient is φ = 213610650.

The previous prime is 427221259. The next prime is 427221313. The reversal of 427221302 is 203122724.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106805324 + ... + 106805327.

It is an arithmetic number, because the mean of its divisors is an integer number (160207989).

Almost surely, 2^427221302 is an apocalyptic number.

427221302 is a deficient number, since it is larger than the sum of its proper divisors (213610654).

427221302 is a wasteful number, since it uses less digits than its factorization.

427221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213610653.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 427221302 is about 20669.3324033458. The cubic root of 427221302 is about 753.1548892530.

The spelling of 427221302 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, three hundred two".