1220534224 has 60 divisors (see below), whose sum is σ = 2926541856. Its totient is φ = 482841216.

The previous prime is 1220534167. The next prime is 1220534251. The reversal of 1220534224 is 4224350221.

It is a congruent number.

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, 13314 + ... + 51169.

Almost surely, 2^1220534224 is an apocalyptic number.

1220534224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220534224 is an abundant number, since it is smaller than the sum of its proper divisors (1706007632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220534224 is a wasteful number, since it uses less digits than its factorization.

1220534224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64524 (or 64505 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1220534224 is about 34936.1449504664. The cubic root of 1220534224 is about 1068.6856730249.

Adding to 1220534224 its reverse (4224350221), we get a palindrome (5444884445).

The spelling of 1220534224 in words is "one billion, two hundred twenty million, five hundred thirty-four thousand, two hundred twenty-four".