221464462 has 8 divisors (see below), whose sum is σ = 341175096. Its totient is φ = 107739432.

The previous prime is 221464433. The next prime is 221464469. The reversal of 221464462 is 264464122.

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 (221464469) 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, 1496308 + ... + 1496455.

It is an arithmetic number, because the mean of its divisors is an integer number (42646887).

Almost surely, 2^221464462 is an apocalyptic number.

221464462 is a deficient number, since it is larger than the sum of its proper divisors (119710634).

221464462 is a wasteful number, since it uses less digits than its factorization.

221464462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992802.

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

The square root of 221464462 is about 14881.6820957847. The cubic root of 221464462 is about 605.0176093957.

The spelling of 221464462 in words is "two hundred twenty-one million, four hundred sixty-four thousand, four hundred sixty-two".