221641034474002 has 24 divisors (see below), whose sum is σ = 393543171833868. Its totient is φ = 92996238239520.

The previous prime is 221641034473951. The next prime is 221641034474011. The reversal of 221641034474002 is 200474430146122.

It can be written as a sum of positive squares in 2 ways, for example, as 210156601374841 + 11484433099161 = 14496779^2 + 3388869^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35225844673 + ... + 35225850964.

Almost surely, 2^{221641034474002} is an apocalyptic number.

221641034474002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221641034474002 is a deficient number, since it is larger than the sum of its proper divisors (171902137359866).

221641034474002 is a wasteful number, since it uses less digits than its factorization.

221641034474002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70451695674 (or 70451695663 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 221641034474002 in words is "two hundred twenty-one trillion, six hundred forty-one billion, thirty-four million, four hundred seventy-four thousand, two".