1418221508 has 24 divisors (see below), whose sum is σ = 2712025344. Its totient is φ = 643572000.

The previous prime is 1418221487. The next prime is 1418221517. The reversal of 1418221508 is 8051228141.

It is a super-2 number, since 2×1418221508² = 4022704491507588128, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 158 + ... + 53258.

It is an arithmetic number, because the mean of its divisors is an integer number (113001056).

Almost surely, 2^1418221508 is an apocalyptic number.

It is an amenable number.

1418221508 is a deficient number, since it is larger than the sum of its proper divisors (1293803836).

1418221508 is a wasteful number, since it uses less digits than its factorization.

1418221508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53723 (or 53721 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1418221508 is about 37659.2818306457. The cubic root of 1418221508 is about 1123.5214176891.

Adding to 1418221508 its reverse (8051228141), we get a palindrome (9469449649).

The spelling of 1418221508 in words is "one billion, four hundred eighteen million, two hundred twenty-one thousand, five hundred eight".