1064221458 has 16 divisors (see below), whose sum is σ = 2141502816. Its totient is φ = 352563840.

The previous prime is 1064221453. The next prime is 1064221463. The reversal of 1064221458 is 8541224601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1064221453) and next prime (1064221463).

It is a super-2 number, since 2×1064221458² = 2265134623335291528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064221453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543103 + ... + 545058.

It is an arithmetic number, because the mean of its divisors is an integer number (133843926).

Almost surely, 2^1064221458 is an apocalyptic number.

1064221458 is an abundant number, since it is smaller than the sum of its proper divisors (1077281358).

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

1064221458 is a wasteful number, since it uses less digits than its factorization.

1064221458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088329.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1064221458 is about 32622.4072992782. The cubic root of 1064221458 is about 1020.9645681481.

It can be divided in two parts, 106422 and 1458, that added together give a triangular number (107880 = T₄₆₄).

The spelling of 1064221458 in words is "one billion, sixty-four million, two hundred twenty-one thousand, four hundred fifty-eight".