22512072214 has 64 divisors (see below), whose sum is σ = 38620281600. Its totient is φ = 9777051648.

The previous prime is 22512072211. The next prime is 22512072241. The reversal of 22512072214 is 41227021522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512072211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4304269 + ... + 4309495.

It is an arithmetic number, because the mean of its divisors is an integer number (603441900).

Almost surely, 2^22512072214 is an apocalyptic number.

22512072214 is a deficient number, since it is larger than the sum of its proper divisors (16108209386).

22512072214 is a wasteful number, since it uses less digits than its factorization.

22512072214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 22512072214 its reverse (41227021522), we get a palindrome (63739093736).

The spelling of 22512072214 in words is "twenty-two billion, five hundred twelve million, seventy-two thousand, two hundred fourteen".