308402227 has 12 divisors (see below), whose sum is σ = 360623496. Its totient is φ = 262967040.

The previous prime is 308402221. The next prime is 308402261. The reversal of 308402227 is 722204803.

It is not a de Polignac number, because 308402227 - 2²³ = 300013619 is a prime.

It is a super-2 number, since 2×308402227² = 190223867237119058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 308402195 and 308402204.

It is not an unprimeable number, because it can be changed into a prime (308402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6849 + ... + 25762.

It is an arithmetic number, because the mean of its divisors is an integer number (30051958).

Almost surely, 2^308402227 is an apocalyptic number.

308402227 is a deficient number, since it is larger than the sum of its proper divisors (52221269).

308402227 is a wasteful number, since it uses less digits than its factorization.

308402227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32818 (or 32811 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 308402227 is about 17561.3845410890. The cubic root of 308402227 is about 675.6251926856.

The spelling of 308402227 in words is "three hundred eight million, four hundred two thousand, two hundred twenty-seven".