6242220 has 36 divisors (see below), whose sum is σ = 18935280. Its totient is φ = 1664544.

The previous prime is 6242219. The next prime is 6242237. The reversal of 6242220 is 222426.

It is a happy number.

6242220 is a `hidden beast` number, since 624 + 22 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6242193 and 6242202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17160 + ... + 17519.

It is an arithmetic number, because the mean of its divisors is an integer number (525980).

Almost surely, 2^6242220 is an apocalyptic number.

6242220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6242220 is an abundant number, since it is smaller than the sum of its proper divisors (12693060).

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

6242220 is a wasteful number, since it uses less digits than its factorization.

6242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34694 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 6242220 is about 2498.4435154712. The cubic root of 6242220 is about 184.1251118227.

Adding to 6242220 its reverse (222426), we get a palindrome (6464646).

It can be divided in two parts, 624 and 2220, that multiplied together give a triangular number (1385280 = T₁₆₆₄).

The spelling of 6242220 in words is "six million, two hundred forty-two thousand, two hundred twenty".