22261071751 has 4 divisors (see below), whose sum is σ = 22481478504. Its totient is φ = 22040665000.

The previous prime is 22261071737. The next prime is 22261071757. The reversal of 22261071751 is 15717016222.

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

It is a cyclic number.

It is not a de Polignac number, because 22261071751 - 2¹⁷ = 22260940679 is a prime.

It is a super-3 number, since 3×22261071751³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22261071757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110203225 + ... + 110203426.

It is an arithmetic number, because the mean of its divisors is an integer number (5620369626).

Almost surely, 2^22261071751 is an apocalyptic number.

22261071751 is a deficient number, since it is larger than the sum of its proper divisors (220406753).

22261071751 is a wasteful number, since it uses less digits than its factorization.

22261071751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220406752.

The product of its (nonzero) digits is 11760, while the sum is 34.

Adding to 22261071751 its reverse (15717016222), we get a palindrome (37978087973).

The spelling of 22261071751 in words is "twenty-two billion, two hundred sixty-one million, seventy-one thousand, seven hundred fifty-one".