64226616 has 32 divisors (see below), whose sum is σ = 160776960. Its totient is φ = 21380832.

The previous prime is 64226611. The next prime is 64226627. The reversal of 64226616 is 61662246.

It is a super-2 number, since 2×64226616² = 8250116405622912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64226611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25761 + ... + 28143.

It is an arithmetic number, because the mean of its divisors is an integer number (5024280).

Almost surely, 2^64226616 is an apocalyptic number.

It is an amenable number.

64226616 is an abundant number, since it is smaller than the sum of its proper divisors (96550344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64226616 is a wasteful number, since it uses less digits than its factorization.

64226616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515 (or 3511 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 64226616 is about 8014.1509843526. The cubic root of 64226616 is about 400.4715605249.

The spelling of 64226616 in words is "sixty-four million, two hundred twenty-six thousand, six hundred sixteen".