22026611022551 has 4 divisors (see below), whose sum is σ = 22026817635792. Its totient is φ = 22026404409312.

The previous prime is 22026611022541. The next prime is 22026611022569. The reversal of 22026611022551 is 15522011662022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22026611022551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026611022541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103146626 + ... + 103359951.

It is an arithmetic number, because the mean of its divisors is an integer number (5506704408948).

Almost surely, 2^{22026611022551} is an apocalyptic number.

22026611022551 is a deficient number, since it is larger than the sum of its proper divisors (206613241).

22026611022551 is a wasteful number, since it uses less digits than its factorization.

22026611022551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206613240.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 22026611022551 its reverse (15522011662022), we get a palindrome (37548622684573).

The spelling of 22026611022551 in words is "twenty-two trillion, twenty-six billion, six hundred eleven million, twenty-two thousand, five hundred fifty-one".