6447455022 has 16 divisors (see below), whose sum is σ = 13573589760. Its totient is φ = 2036038392.

The previous prime is 6447455011. The next prime is 6447455029. The reversal of 6447455022 is 2205547446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447455029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28278198 + ... + 28278425.

It is an arithmetic number, because the mean of its divisors is an integer number (848349360).

Almost surely, 2^6447455022 is an apocalyptic number.

6447455022 is an abundant number, since it is smaller than the sum of its proper divisors (7126134738).

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

6447455022 is a wasteful number, since it uses less digits than its factorization.

6447455022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56556647.

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 6447455022 is about 80296.0461168543. The cubic root of 6447455022 is about 1861.2131275532.

The spelling of 6447455022 in words is "six billion, four hundred forty-seven million, four hundred fifty-five thousand, twenty-two".