64452223 has 6 divisors (see below), whose sum is σ = 70844312. Its totient is φ = 58592820.

The previous prime is 64452217. The next prime is 64452247. The reversal of 64452223 is 32225446.

It is not a de Polignac number, because 64452223 - 2¹³ = 64444031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64452191 and 64452200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64452203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266211 + ... + 266452.

Almost surely, 2^64452223 is an apocalyptic number.

64452223 is a deficient number, since it is larger than the sum of its proper divisors (6392089).

64452223 is a wasteful number, since it uses less digits than its factorization.

64452223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532685 (or 532674 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 64452223 is about 8028.2141849854. The cubic root of 64452223 is about 400.9399208918.

Adding to 64452223 its reverse (32225446), we get a palindrome (96677669).

It can be divided in two parts, 6445 and 2223, that added together give a palindrome (8668).

The spelling of 64452223 in words is "sixty-four million, four hundred fifty-two thousand, two hundred twenty-three".