224720772 has 24 divisors (see below), whose sum is σ = 527384256. Its totient is φ = 74473248.

The previous prime is 224720761. The next prime is 224720779. The reversal of 224720772 is 277027422.

It is not an unprimeable number, because it can be changed into a prime (224720779) 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, 52048 + ... + 56199.

It is an arithmetic number, because the mean of its divisors is an integer number (21974344).

Almost surely, 2^224720772 is an apocalyptic number.

It is an amenable number.

224720772 is an abundant number, since it is smaller than the sum of its proper divisors (302663484).

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

224720772 is a wasteful number, since it uses less digits than its factorization.

224720772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108427 (or 108425 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 224720772 is about 14990.6895104928. The cubic root of 224720772 is about 607.9684922788.

The spelling of 224720772 in words is "two hundred twenty-four million, seven hundred twenty thousand, seven hundred seventy-two".