22126132274 has 4 divisors (see below), whose sum is σ = 33189198414. Its totient is φ = 11063066136.

The previous prime is 22126132271. The next prime is 22126132277. The reversal of 22126132274 is 47223162122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22126132271) and next prime (22126132277).

It can be written as a sum of positive squares in only one way, i.e., 16914303025 + 5211829249 = 130055^2 + 72193^2 .

It is a super-2 number, since 2×22126132274² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22126132274.

It is not an unprimeable number, because it can be changed into a prime (22126132271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531533067 + ... + 5531533070.

Almost surely, 2^22126132274 is an apocalyptic number.

22126132274 is a deficient number, since it is larger than the sum of its proper divisors (11063066140).

22126132274 is a wasteful number, since it uses less digits than its factorization.

22126132274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063066139.

The product of its digits is 16128, while the sum is 32.

Adding to 22126132274 its reverse (47223162122), we get a palindrome (69349294396).

The spelling of 22126132274 in words is "twenty-two billion, one hundred twenty-six million, one hundred thirty-two thousand, two hundred seventy-four".