6215254220 has 24 divisors (see below), whose sum is σ = 14916610464. Its totient is φ = 2130944256.

The previous prime is 6215254211. The next prime is 6215254231. The reversal of 6215254220 is 224525126.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22197197 + ... + 22197476.

It is an arithmetic number, because the mean of its divisors is an integer number (621525436).

Almost surely, 2^6215254220 is an apocalyptic number.

It is an amenable number.

6215254220 is an abundant number, since it is smaller than the sum of its proper divisors (8701356244).

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

6215254220 is a wasteful number, since it uses less digits than its factorization.

6215254220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44394689 (or 44394687 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 6215254220 is about 78836.8836268913. The cubic root of 6215254220 is about 1838.5959495977.

Adding to 6215254220 its reverse (224525126), we get a palindrome (6439779346).

The spelling of 6215254220 in words is "six billion, two hundred fifteen million, two hundred fifty-four thousand, two hundred twenty".