16220410 has 8 divisors (see below), whose sum is σ = 29196756. Its totient is φ = 6488160.

The previous prime is 16220401. The next prime is 16220411. The reversal of 16220410 is 1402261.

It can be written as a sum of positive squares in 2 ways, for example, as 15578809 + 641601 = 3947^2 + 801^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16220411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811011 + ... + 811030.

Almost surely, 2^16220410 is an apocalyptic number.

16220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16220410 is a deficient number, since it is larger than the sum of its proper divisors (12976346).

16220410 is a wasteful number, since it uses less digits than its factorization.

16220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622048.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 16220410 is about 4027.4570140474. The cubic root of 16220410 is about 253.1360170991.

Adding to 16220410 its reverse (1402261), we get a palindrome (17622671).

The spelling of 16220410 in words is "sixteen million, two hundred twenty thousand, four hundred ten".