221421714134674 has 16 divisors (see below), whose sum is σ = 333512781064056. Its totient is φ = 110250792806400.

The previous prime is 221421714134669. The next prime is 221421714134759. The reversal of 221421714134674 is 476431417124122.

It can be written as a sum of positive squares in 4 ways, for example, as 136039401669649 + 85382312465025 = 11663593^2 + 9240255^2 .

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, 81451534 + ... + 84126070.

Almost surely, 2^{221421714134674} is an apocalyptic number.

221421714134674 is a deficient number, since it is larger than the sum of its proper divisors (112091066929382).

221421714134674 is a wasteful number, since it uses less digits than its factorization.

221421714134674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846541.

The product of its digits is 1806336, while the sum is 49.

The spelling of 221421714134674 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, seven hundred fourteen million, one hundred thirty-four thousand, six hundred seventy-four".