2213122226531 has 8 divisors (see below), whose sum is σ = 2270885652000. Its totient is φ = 2155539031360.

The previous prime is 2213122226527. The next prime is 2213122226561. The reversal of 2213122226531 is 1356222213122.

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 2213122226531 - 2² = 2213122226527 is a prime.

It is a super-2 number, since 2×2213122226531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213122226561) 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, 45032696 + ... + 45081813.

It is an arithmetic number, because the mean of its divisors is an integer number (283860706500).

Almost surely, 2^{2213122226531} is an apocalyptic number.

2213122226531 is a deficient number, since it is larger than the sum of its proper divisors (57763425469).

2213122226531 is an equidigital number, since it uses as much as digits as its factorization.

2213122226531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90115149.

The product of its digits is 17280, while the sum is 32.

Adding to 2213122226531 its reverse (1356222213122), we get a palindrome (3569344439653).

The spelling of 2213122226531 in words is "two trillion, two hundred thirteen billion, one hundred twenty-two million, two hundred twenty-six thousand, five hundred thirty-one".