224212740 has 48 divisors (see below), whose sum is σ = 655095168. Its totient is φ = 57190144.

The previous prime is 224212727. The next prime is 224212741. The reversal of 224212740 is 47212422.

224212740 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 224212740.

It is not an unprimeable number, because it can be changed into a prime (224212741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79857 + ... + 82616.

It is an arithmetic number, because the mean of its divisors is an integer number (13647816).

Almost surely, 2^224212740 is an apocalyptic number.

224212740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224212740 is an abundant number, since it is smaller than the sum of its proper divisors (430882428).

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

224212740 is a wasteful number, since it uses less digits than its factorization.

224212740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162508 (or 162506 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 224212740 is about 14973.7350050013. The cubic root of 224212740 is about 607.5099966178.

The spelling of 224212740 in words is "two hundred twenty-four million, two hundred twelve thousand, seven hundred forty".