64222463 has 4 divisors (see below), whose sum is σ = 67014768. Its totient is φ = 61430160.

The previous prime is 64222429. The next prime is 64222469. The reversal of 64222463 is 36422246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64222463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64222469) 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, 1396118 + ... + 1396163.

It is an arithmetic number, because the mean of its divisors is an integer number (16753692).

Almost surely, 2^64222463 is an apocalyptic number.

64222463 is a deficient number, since it is larger than the sum of its proper divisors (2792305).

64222463 is a wasteful number, since it uses less digits than its factorization.

64222463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792304.

The product of its digits is 13824, while the sum is 29.

The square root of 64222463 is about 8013.8918759863. The cubic root of 64222463 is about 400.4629286194.

The spelling of 64222463 in words is "sixty-four million, two hundred twenty-two thousand, four hundred sixty-three".