16220226131 has 8 divisors (see below), whose sum is σ = 16765601664. Its totient is φ = 15676234560.

The previous prime is 16220226073. The next prime is 16220226149. The reversal of 16220226131 is 13162202261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16220226131 - 2⁶ = 16220226067 is a prime.

It is a super-2 number, since 2×16220226131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16220226131.

It is not an unprimeable number, because it can be changed into a prime (16220226151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322130 + ... + 369063.

It is an arithmetic number, because the mean of its divisors is an integer number (2095700208).

Almost surely, 2^16220226131 is an apocalyptic number.

16220226131 is a deficient number, since it is larger than the sum of its proper divisors (545375533).

16220226131 is an equidigital number, since it uses as much as digits as its factorization.

16220226131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691981.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 16220226131 its reverse (13162202261), we get a palindrome (29382428392).

The spelling of 16220226131 in words is "sixteen billion, two hundred twenty million, two hundred twenty-six thousand, one hundred thirty-one".