64412213 has 4 divisors (see below), whose sum is σ = 67212768. Its totient is φ = 61611660.

The previous prime is 64412197. The next prime is 64412281. The reversal of 64412213 is 31221446.

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 a cyclic number.

It is not a de Polignac number, because 64412213 - 2⁴ = 64412197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2800531 = 64412213 / (6 + 4 + 4 + 1 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64414213) 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, 1400243 + ... + 1400288.

It is an arithmetic number, because the mean of its divisors is an integer number (16803192).

Almost surely, 2^64412213 is an apocalyptic number.

It is an amenable number.

64412213 is a deficient number, since it is larger than the sum of its proper divisors (2800555).

64412213 is a wasteful number, since it uses less digits than its factorization.

64412213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800554.

The product of its digits is 1152, while the sum is 23.

The square root of 64412213 is about 8025.7219612942. The cubic root of 64412213 is about 400.8569399073.

Adding to 64412213 its reverse (31221446), we get a palindrome (95633659).

The spelling of 64412213 in words is "sixty-four million, four hundred twelve thousand, two hundred thirteen".