392420227 has 8 divisors (see below), whose sum is σ = 422691840. Its totient is φ = 363249480.

The previous prime is 392420219. The next prime is 392420267. The reversal of 392420227 is 722024293.

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

It is a cyclic number.

It is not a de Polignac number, because 392420227 - 2³ = 392420219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (392420207) 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 7 ways as a sum of consecutive naturals, for example, 274477 + ... + 275902.

It is an arithmetic number, because the mean of its divisors is an integer number (52836480).

Almost surely, 2^392420227 is an apocalyptic number.

392420227 is a deficient number, since it is larger than the sum of its proper divisors (30271613).

392420227 is a wasteful number, since it uses less digits than its factorization.

392420227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550433.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 392420227 is about 19809.5993649544. The cubic root of 392420227 is about 732.1225688580.

The spelling of 392420227 in words is "three hundred ninety-two million, four hundred twenty thousand, two hundred twenty-seven".