1427216330 has 16 divisors (see below), whose sum is σ = 2617461864. Its totient is φ = 560114880.

The previous prime is 1427216327. The next prime is 1427216333. The reversal of 1427216330 is 336127241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1427216327) and next prime (1427216333).

It can be written as a sum of positive squares in 4 ways, for example, as 1273133761 + 154082569 = 35681^2 + 12413^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1427216293 and 1427216302.

It is not an unprimeable number, because it can be changed into a prime (1427216333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345901 + ... + 1346960.

Almost surely, 2^1427216330 is an apocalyptic number.

1427216330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427216330 is a deficient number, since it is larger than the sum of its proper divisors (1190245534).

1427216330 is a wasteful number, since it uses less digits than its factorization.

1427216330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692921.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1427216330 is about 37778.5167787196. The cubic root of 1427216330 is about 1125.8916598447.

The spelling of 1427216330 in words is "one billion, four hundred twenty-seven million, two hundred sixteen thousand, three hundred thirty".