224922540 has 24 divisors (see below), whose sum is σ = 629783280. Its totient is φ = 59979328.

The previous prime is 224922527. The next prime is 224922541. The reversal of 224922540 is 45229422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 224922498 and 224922507.

It is not an unprimeable number, because it can be changed into a prime (224922541) by changing a digit.

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, 1874295 + ... + 1874414.

It is an arithmetic number, because the mean of its divisors is an integer number (26240970).

Almost surely, 2^224922540 is an apocalyptic number.

224922540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224922540 is an abundant number, since it is smaller than the sum of its proper divisors (404860740).

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

224922540 is a wasteful number, since it uses less digits than its factorization.

224922540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748721 (or 3748719 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 224922540 is about 14997.4177777376. The cubic root of 224922540 is about 608.1503948994.

The spelling of 224922540 in words is "two hundred twenty-four million, nine hundred twenty-two thousand, five hundred forty".