22097377751 has 4 divisors (see below), whose sum is σ = 22097681112. Its totient is φ = 22097074392.

The previous prime is 22097377721. The next prime is 22097377759. The reversal of 22097377751 is 15777379022.

It is a happy 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, and also an emirpimes, since its reverse is a distinct semiprime: 15777379022 = 2 ⋅7888689511.

It is a cyclic number.

It is not a de Polignac number, because 22097377751 - 2¹⁰ = 22097376727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22097377751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097377759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30605 + ... + 212441.

It is an arithmetic number, because the mean of its divisors is an integer number (5524420278).

Almost surely, 2^22097377751 is an apocalyptic number.

22097377751 is a deficient number, since it is larger than the sum of its proper divisors (303361).

22097377751 is a wasteful number, since it uses less digits than its factorization.

22097377751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303360.

The product of its (nonzero) digits is 1296540, while the sum is 50.

The spelling of 22097377751 in words is "twenty-two billion, ninety-seven million, three hundred seventy-seven thousand, seven hundred fifty-one".