23220021214 has 16 divisors (see below), whose sum is σ = 37895962608. Its totient is φ = 10606447872.

The previous prime is 23220021211. The next prime is 23220021229. The reversal of 23220021214 is 41212002232.

It is a super-2 number, since 2×23220021214² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220021191 and 23220021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220021211) 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, 4600972 + ... + 4606015.

It is an arithmetic number, because the mean of its divisors is an integer number (2368497663).

Almost surely, 2^23220021214 is an apocalyptic number.

23220021214 is a deficient number, since it is larger than the sum of its proper divisors (14675941394).

23220021214 is a wasteful number, since it uses less digits than its factorization.

23220021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207099.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23220021214 its reverse (41212002232), we get a palindrome (64432023446).

The spelling of 23220021214 in words is "twenty-three billion, two hundred twenty million, twenty-one thousand, two hundred fourteen".