1064220347 has 4 divisors (see below), whose sum is σ = 1082258040. Its totient is φ = 1046182656.

The previous prime is 1064220331. The next prime is 1064220379. The reversal of 1064220347 is 7430224601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1064220347 - 2⁴ = 1064220331 is a prime.

It is a super-2 number, since 2×1064220347² = 2265129893937600818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064220397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9018758 + ... + 9018875.

It is an arithmetic number, because the mean of its divisors is an integer number (270564510).

Almost surely, 2^1064220347 is an apocalyptic number.

1064220347 is a deficient number, since it is larger than the sum of its proper divisors (18037693).

1064220347 is an equidigital number, since it uses as much as digits as its factorization.

1064220347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18037692.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1064220347 is about 32622.3902711006. The cubic root of 1064220347 is about 1020.9642128674.

Adding to 1064220347 its reverse (7430224601), we get a palindrome (8494444948).

The spelling of 1064220347 in words is "one billion, sixty-four million, two hundred twenty thousand, three hundred forty-seven".