5449221306 has 24 divisors (see below), whose sum is σ = 11892831444. Its totient is φ = 1803147840.

The previous prime is 5449221301. The next prime is 5449221329. The reversal of 5449221306 is 6031229445.

It is a happy number.

5449221306 is a `hidden beast` number, since 544 + 92 + 21 + 3 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5011365681 + 437855625 = 70791^2 + 20925^2 .

It is not an unprimeable number, because it can be changed into a prime (5449221301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1102405 + ... + 1107336.

Almost surely, 2^5449221306 is an apocalyptic number.

5449221306 is an abundant number, since it is smaller than the sum of its proper divisors (6443610138).

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

5449221306 is a wasteful number, since it uses less digits than its factorization.

5449221306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209886 (or 2209883 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5449221306 is about 73818.8411315160. The cubic root of 5449221306 is about 1759.7250459339.

The spelling of 5449221306 in words is "five billion, four hundred forty-nine million, two hundred twenty-one thousand, three hundred six".