6221906352 has 80 divisors (see below), whose sum is σ = 17873141760. Its totient is φ = 2072347200.

The previous prime is 6221906351. The next prime is 6221906363. The reversal of 6221906352 is 2536091226.

6221906352 is a `hidden beast` number, since 6 + 2 + 2 + 19 + 0 + 635 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6221906351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630577 + ... + 640367.

It is an arithmetic number, because the mean of its divisors is an integer number (223414272).

Almost surely, 2^6221906352 is an apocalyptic number.

It is an amenable number.

6221906352 is an abundant number, since it is smaller than the sum of its proper divisors (11651235408).

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

6221906352 is a wasteful number, since it uses less digits than its factorization.

6221906352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279 (or 11267 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6221906352 is about 78879.0615562837. The cubic root of 6221906352 is about 1839.2516600848.

Adding to 6221906352 its reverse (2536091226), we get a palindrome (8757997578).

It can be divided in two parts, 6221906 and 352, that multiplied together give a palindrome (2190110912).

The spelling of 6221906352 in words is "six billion, two hundred twenty-one million, nine hundred six thousand, three hundred fifty-two".