6447225342 has 16 divisors (see below), whose sum is σ = 12896461440. Its totient is φ = 2148739992.

The previous prime is 6447225311. The next prime is 6447225349. The reversal of 6447225342 is 2435227446.

It is a super-2 number, since 2×6447225342² = 83133429221054033928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6447225342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447225349) 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, 40368 + ... + 120515.

It is an arithmetic number, because the mean of its divisors is an integer number (806028840).

Almost surely, 2^6447225342 is an apocalyptic number.

6447225342 is an abundant number, since it is smaller than the sum of its proper divisors (6449236098).

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

6447225342 is a wasteful number, since it uses less digits than its factorization.

6447225342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167567.

The product of its digits is 322560, while the sum is 39.

The square root of 6447225342 is about 80294.6158967088. The cubic root of 6447225342 is about 1861.1910264034.

The spelling of 6447225342 in words is "six billion, four hundred forty-seven million, two hundred twenty-five thousand, three hundred forty-two".