4221279064 has 16 divisors (see below), whose sum is σ = 7915909320. Its totient is φ = 2110369920.

The previous prime is 4221279047. The next prime is 4221279071. The reversal of 4221279064 is 4609721224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43147 + ... + 101509.

Almost surely, 2^4221279064 is an apocalyptic number.

It is an amenable number.

4221279064 is a deficient number, since it is larger than the sum of its proper divisors (3694630256).

4221279064 is a wasteful number, since it uses less digits than its factorization.

4221279064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67410 (or 67406 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 4221279064 is about 64971.3711106669. The cubic root of 4221279064 is about 1616.1488391404.

The spelling of 4221279064 in words is "four billion, two hundred twenty-one million, two hundred seventy-nine thousand, sixty-four".