22698134281 has 3 divisors (see below), whose sum is σ = 22698284941. Its totient is φ = 22697983622.

The previous prime is 22698134279. The next prime is 22698134321. The reversal of 22698134281 is 18243189622.

The square root of 22698134281 is 150659.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22698134281 - 2¹ = 22698134279 is a prime.

It is a super-2 number, since 2×22698134281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22698134231) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75330 + ... + 225988.

Almost surely, 2^22698134281 is an apocalyptic number.

22698134281 is the 150659-th square number.

22698134281 is the 75330-th centered octagonal number.

It is an amenable number.

22698134281 is a deficient number, since it is larger than the sum of its proper divisors (150660).

22698134281 is an frugal number, since it uses more digits than its factorization.

22698134281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301318 (or 150659 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The spelling of 22698134281 in words is "twenty-two billion, six hundred ninety-eight million, one hundred thirty-four thousand, two hundred eighty-one".