64882229 has 4 divisors (see below), whose sum is σ = 66106476. Its totient is φ = 63657984.

The previous prime is 64882219. The next prime is 64882267. The reversal of 64882229 is 92228846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92228846 = 2 ⋅46114423.

It can be written as a sum of positive squares in 2 ways, for example, as 35700625 + 29181604 = 5975^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 64882229 - 2¹⁶ = 64816693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64882219) 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, 612044 + ... + 612149.

It is an arithmetic number, because the mean of its divisors is an integer number (16526619).

Almost surely, 2^64882229 is an apocalyptic number.

It is an amenable number.

64882229 is a deficient number, since it is larger than the sum of its proper divisors (1224247).

64882229 is a wasteful number, since it uses less digits than its factorization.

64882229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224246.

The product of its digits is 110592, while the sum is 41.

The square root of 64882229 is about 8054.9505895443. The cubic root of 64882229 is about 401.8295957724.

The spelling of 64882229 in words is "sixty-four million, eight hundred eighty-two thousand, two hundred twenty-nine".