221057600675802 has 128 divisors (see below), whose sum is σ = 494015522697216. Its totient is φ = 65380190400000.

The previous prime is 221057600675699. The next prime is 221057600675831. The reversal of 221057600675802 is 208576006750122.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3638119102 + ... + 3638179862.

It is an arithmetic number, because the mean of its divisors is an integer number (3859496271072).

Almost surely, 2^{221057600675802} is an apocalyptic number.

221057600675802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 221057600675802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247007761348608).

221057600675802 is an abundant number, since it is smaller than the sum of its proper divisors (272957922021414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221057600675802 is a wasteful number, since it uses less digits than its factorization.

221057600675802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68636.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 221057600675802 in words is "two hundred twenty-one trillion, fifty-seven billion, six hundred million, six hundred seventy-five thousand, eight hundred two".