4454221531 has 2 divisors, whose sum is σ = 4454221532. Its totient is φ = 4454221530.

The previous prime is 4454221517. The next prime is 4454221543. The reversal of 4454221531 is 1351224544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4454221531 is a prime.

It is a super-2 number, since 2×4454221531² = 39680178894447967922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4454221493 and 4454221502.

It is not a weakly prime, because it can be changed into another prime (4454221511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227110765 + 2227110766.

It is an arithmetic number, because the mean of its divisors is an integer number (2227110766).

Almost surely, 2^4454221531 is an apocalyptic number.

4454221531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454221531 is an equidigital number, since it uses as much as digits as its factorization.

4454221531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 4454221531 is about 66739.9545324987. The cubic root of 4454221531 is about 1645.3461183539.

The spelling of 4454221531 in words is "four billion, four hundred fifty-four million, two hundred twenty-one thousand, five hundred thirty-one".