4640221462 has 8 divisors (see below), whose sum is σ = 6961036176. Its totient is φ = 2319876072.

The previous prime is 4640221441. The next prime is 4640221463. The reversal of 4640221462 is 2641220464.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640221463) 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, 91473 + ... + 132844.

It is an arithmetic number, because the mean of its divisors is an integer number (870129522).

Almost surely, 2^4640221462 is an apocalyptic number.

4640221462 is a deficient number, since it is larger than the sum of its proper divisors (2320814714).

4640221462 is a wasteful number, since it uses less digits than its factorization.

4640221462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234662.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 4640221462 is about 68119.1710313624. The cubic root of 4640221462 is about 1667.9367184863.

The spelling of 4640221462 in words is "four billion, six hundred forty million, two hundred twenty-one thousand, four hundred sixty-two".