16220395 has 8 divisors (see below), whose sum is σ = 20489040. Its totient is φ = 12293280.

The previous prime is 16220383. The next prime is 16220401. The reversal of 16220395 is 59302261.

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

It is not a de Polignac number, because 16220395 - 2⁹ = 16219883 is a prime.

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, 85276 + ... + 85465.

It is an arithmetic number, because the mean of its divisors is an integer number (2561130).

Almost surely, 2^16220395 is an apocalyptic number.

16220395 is a deficient number, since it is larger than the sum of its proper divisors (4268645).

16220395 is a wasteful number, since it uses less digits than its factorization.

16220395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170765.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16220395 is about 4027.4551518298. The cubic root of 16220395 is about 253.1359390690.

The spelling of 16220395 in words is "sixteen million, two hundred twenty thousand, three hundred ninety-five".