22213215123 has 16 divisors (see below), whose sum is σ = 32630038272. Its totient is φ = 13329260000.

The previous prime is 22213215113. The next prime is 22213215133. The reversal of 22213215123 is 32151231222.

It is an interprime number because it is at equal distance from previous prime (22213215113) and next prime (22213215133).

It is a cyclic number.

It is not a de Polignac number, because 22213215123 - 2⁵ = 22213215091 is a prime.

It is a super-2 number, since 2×22213215123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22213215093 and 22213215102.

It is not an unprimeable number, because it can be changed into a prime (22213215113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328983 + ... + 3335648.

It is an arithmetic number, because the mean of its divisors is an integer number (2039377392).

Almost surely, 2^22213215123 is an apocalyptic number.

22213215123 is a deficient number, since it is larger than the sum of its proper divisors (10416823149).

22213215123 is a wasteful number, since it uses less digits than its factorization.

22213215123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664746.

The product of its digits is 1440, while the sum is 24.

Adding to 22213215123 its reverse (32151231222), we get a palindrome (54364446345).

The spelling of 22213215123 in words is "twenty-two billion, two hundred thirteen million, two hundred fifteen thousand, one hundred twenty-three".