427221370 has 32 divisors (see below), whose sum is σ = 776966400. Its totient is φ = 169128000.

The previous prime is 427221367. The next prime is 427221371. The reversal of 427221370 is 73122724.

It is not an unprimeable number, because it can be changed into a prime (427221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568495 + ... + 569245.

It is an arithmetic number, because the mean of its divisors is an integer number (24280200).

Almost surely, 2^427221370 is an apocalyptic number.

427221370 is a deficient number, since it is larger than the sum of its proper divisors (349745030).

427221370 is a wasteful number, since it uses less digits than its factorization.

427221370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 427221370 is about 20669.3340482948. The cubic root of 427221370 is about 753.1549292124.

The spelling of 427221370 in words is "four hundred twenty-seven million, two hundred twenty-one thousand, three hundred seventy".