6223770 has 128 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 1368576.

The previous prime is 6223757. The next prime is 6223771. The reversal of 6223770 is 773226.

6223770 is a `hidden beast` number, since 622 + 37 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6223771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69886 + ... + 69974.

It is an arithmetic number, because the mean of its divisors is an integer number (153900).

Almost surely, 2^6223770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6223770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9849600).

6223770 is an abundant number, since it is smaller than the sum of its proper divisors (13475430).

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

6223770 is a wasteful number, since it uses less digits than its factorization.

6223770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 6223770 is about 2494.7484843166. The cubic root of 6223770 is about 183.9435278808.

Adding to 6223770 its reverse (773226), we get a palindrome (6996996).

It can be divided in two parts, 62 and 23770, that added together give a palindrome (23832).

The spelling of 6223770 in words is "six million, two hundred twenty-three thousand, seven hundred seventy".