221421251402314 has 8 divisors (see below), whose sum is σ = 349612502214240. Its totient is φ = 104883750664236.

The previous prime is 221421251402291. The next prime is 221421251402327. The reversal of 221421251402314 is 413204152124122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221421251402314² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221421251402314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2913437518414 + ... + 2913437518489.

It is an arithmetic number, because the mean of its divisors is an integer number (43701562776780).

Almost surely, 2^{221421251402314} is an apocalyptic number.

221421251402314 is a deficient number, since it is larger than the sum of its proper divisors (128191250811926).

221421251402314 is a wasteful number, since it uses less digits than its factorization.

221421251402314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826875036924.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 221421251402314 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, two hundred fifty-one million, four hundred two thousand, three hundred fourteen".