64222605 has 48 divisors (see below), whose sum is σ = 117439680. Its totient is φ = 33298560.

The previous prime is 64222597. The next prime is 64222637. The reversal of 64222605 is 50622246.

It is not a de Polignac number, because 64222605 - 2³ = 64222597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226794 + ... + 227076.

It is an arithmetic number, because the mean of its divisors is an integer number (2446660).

Almost surely, 2^64222605 is an apocalyptic number.

It is an amenable number.

64222605 is a deficient number, since it is larger than the sum of its proper divisors (53217075).

64222605 is a wasteful number, since it uses less digits than its factorization.

64222605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64222605 is about 8013.9007355969. The cubic root of 64222605 is about 400.4632237689.

The spelling of 64222605 in words is "sixty-four million, two hundred twenty-two thousand, six hundred five".