22749650227661 has 4 divisors (see below), whose sum is σ = 25999600260192. Its totient is φ = 19499700195132.

The previous prime is 22749650227651. The next prime is 22749650227663. The reversal of 22749650227661 is 16672205694722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22749650227661 - 2⁴² = 18351603716557 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 22749650227661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22749650227663) 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, 1624975016255 + ... + 1624975016268.

It is an arithmetic number, because the mean of its divisors is an integer number (6499900065048).

Almost surely, 2^{22749650227661} is an apocalyptic number.

It is an amenable number.

22749650227661 is a deficient number, since it is larger than the sum of its proper divisors (3249950032531).

22749650227661 is an equidigital number, since it uses as much as digits as its factorization.

22749650227661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249950032530.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 22749650227661 in words is "twenty-two trillion, seven hundred forty-nine billion, six hundred fifty million, two hundred twenty-seven thousand, six hundred sixty-one".