221465314 has 16 divisors (see below), whose sum is σ = 381362688. Its totient is φ = 94486752.

The previous prime is 221465297. The next prime is 221465339. The reversal of 221465314 is 413564122.

221465314 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32347 + ... + 38590.

It is an arithmetic number, because the mean of its divisors is an integer number (23835168).

Almost surely, 2^221465314 is an apocalyptic number.

221465314 is a deficient number, since it is larger than the sum of its proper divisors (159897374).

221465314 is a wasteful number, since it uses less digits than its factorization.

221465314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71169.

The product of its digits is 5760, while the sum is 28.

The square root of 221465314 is about 14881.7107215535. The cubic root of 221465314 is about 605.0183852528.

It can be divided in two parts, 2214 and 65314, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 221465314 in words is "two hundred twenty-one million, four hundred sixty-five thousand, three hundred fourteen".