224640620 has 12 divisors (see below), whose sum is σ = 471745344. Its totient is φ = 89856240.

The previous prime is 224640617. The next prime is 224640623. The reversal of 224640620 is 26046422.

It is an interprime number because it is at equal distance from previous prime (224640617) and next prime (224640623).

It is a super-3 number, since 3×224640620³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224640620.

It is not an unprimeable number, because it can be changed into a prime (224640623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5615996 + ... + 5616035.

It is an arithmetic number, because the mean of its divisors is an integer number (39312112).

Almost surely, 2^224640620 is an apocalyptic number.

224640620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224640620 is an abundant number, since it is smaller than the sum of its proper divisors (247104724).

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

224640620 is a wasteful number, since it uses less digits than its factorization.

224640620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232040 (or 11232038 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 224640620 is about 14988.0158793618. The cubic root of 224640620 is about 607.8962015498.

The spelling of 224640620 in words is "two hundred twenty-four million, six hundred forty thousand, six hundred twenty".