4522221451 has 12 divisors (see below), whose sum is σ = 4981550112. Its totient is φ = 4102142000.

The previous prime is 4522221443. The next prime is 4522221497. The reversal of 4522221451 is 1541222254.

It is a happy number.

It is not a de Polignac number, because 4522221451 - 2³ = 4522221443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4522221421) 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, 15246 + ... + 96316.

It is an arithmetic number, because the mean of its divisors is an integer number (415129176).

Almost surely, 2^4522221451 is an apocalyptic number.

4522221451 is a deficient number, since it is larger than the sum of its proper divisors (459328661).

4522221451 is a wasteful number, since it uses less digits than its factorization.

4522221451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81554 (or 81543 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 4522221451 is about 67247.4642718965. The cubic root of 4522221451 is about 1653.6767047952.

The spelling of 4522221451 in words is "four billion, five hundred twenty-two million, two hundred twenty-one thousand, four hundred fifty-one".