64223033 has 4 divisors (see below), whose sum is σ = 73397760. Its totient is φ = 55048308.

The previous prime is 64223017. The next prime is 64223053. The reversal of 64223033 is 33032246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64223033 - 2⁴ = 64223017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64223053) 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, 4587353 + ... + 4587366.

It is an arithmetic number, because the mean of its divisors is an integer number (18349440).

Almost surely, 2^64223033 is an apocalyptic number.

It is an amenable number.

64223033 is a deficient number, since it is larger than the sum of its proper divisors (9174727).

64223033 is an equidigital number, since it uses as much as digits as its factorization.

64223033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174726.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 64223033 is about 8013.9274391524. The cubic root of 64223033 is about 400.4641133720.

Adding to 64223033 its reverse (33032246), we get a palindrome (97255279).

The spelling of 64223033 in words is "sixty-four million, two hundred twenty-three thousand, thirty-three".