221623103425350 has 96 divisors (see below), whose sum is σ = 625660416670464. Its totient is φ = 51390864553600.

The previous prime is 221623103425331. The next prime is 221623103425351. The reversal of 221623103425350 is 53524301326122.

It is a junction number, because it is equal to n+sod(n) for n = 221623103425299 and 221623103425308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221623103425351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2919897537 + ... + 2919973436.

It is an arithmetic number, because the mean of its divisors is an integer number (6517296006984).

Almost surely, 2^{221623103425350} is an apocalyptic number.

221623103425350 is an abundant number, since it is smaller than the sum of its proper divisors (404037313245114).

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

221623103425350 is a wasteful number, since it uses less digits than its factorization.

221623103425350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839871022 (or 5839871017 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 221623103425350 in words is "two hundred twenty-one trillion, six hundred twenty-three billion, one hundred three million, four hundred twenty-five thousand, three hundred fifty".