1430220555 has 12 divisors (see below), whose sum is σ = 2479049040. Its totient is φ = 762784272.

The previous prime is 1430220541. The next prime is 1430220613. The reversal of 1430220555 is 5550220341.

It is a happy number.

1430220555 is a `hidden beast` number, since 1 + 430 + 220 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 1430220555 - 2²⁶ = 1363111691 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15891295 + ... + 15891384.

It is an arithmetic number, because the mean of its divisors is an integer number (206587420).

Almost surely, 2^1430220555 is an apocalyptic number.

1430220555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1430220555 is a deficient number, since it is larger than the sum of its proper divisors (1048828485).

1430220555 is a wasteful number, since it uses less digits than its factorization.

1430220555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31782690 (or 31782687 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1430220555 is about 37818.2569006029. The cubic root of 1430220555 is about 1126.6810896562.

Adding to 1430220555 its reverse (5550220341), we get a palindrome (6980440896).

The spelling of 1430220555 in words is "one billion, four hundred thirty million, two hundred twenty thousand, five hundred fifty-five".