221534462021462 has 16 divisors (see below), whose sum is σ = 339372956708352. Its totient is φ = 108410157214440.

The previous prime is 221534462021449. The next prime is 221534462021471. The reversal of 221534462021462 is 264120264435122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29737343 + ... + 36433205.

It is an arithmetic number, because the mean of its divisors is an integer number (21210809794272).

Almost surely, 2^{221534462021462} is an apocalyptic number.

221534462021462 is a deficient number, since it is larger than the sum of its proper divisors (117838494686890).

221534462021462 is a wasteful number, since it uses less digits than its factorization.

221534462021462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047883.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 221534462021462 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, four hundred sixty-two million, twenty-one thousand, four hundred sixty-two".