6900224 has 20 divisors (see below), whose sum is σ = 13787994. Its totient is φ = 3449856.

The previous prime is 6900221. The next prime is 6900233. The reversal of 6900224 is 4220096.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 1517824 = 2320^2 + 1232^2 .

It is a super-2 number, since 2×6900224² = 95226182500352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6900224.

It is not an unprimeable number, because it can be changed into a prime (6900221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227 + ... + 7250.

Almost surely, 2^6900224 is an apocalyptic number.

6900224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6900224 is a deficient number, since it is larger than the sum of its proper divisors (6887770).

6900224 is an equidigital number, since it uses as much as digits as its factorization.

6900224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495 (or 13479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6900224 is about 2626.8277446380. The cubic root of 6900224 is about 190.3798863012.

The spelling of 6900224 in words is "six million, nine hundred thousand, two hundred twenty-four".