22666754420 has 12 divisors (see below), whose sum is σ = 47600184324. Its totient is φ = 9066701760.

The previous prime is 22666754417. The next prime is 22666754423. The reversal of 22666754420 is 2445766622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22666754417) and next prime (22666754423).

It can be written as a sum of positive squares in 2 ways, for example, as 14935772944 + 7730981476 = 122212^2 + 87926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666754423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566668841 + ... + 566668880.

It is an arithmetic number, because the mean of its divisors is an integer number (3966682027).

Almost surely, 2^22666754420 is an apocalyptic number.

22666754420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22666754420 is an abundant number, since it is smaller than the sum of its proper divisors (24933429904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22666754420 is a wasteful number, since it uses less digits than its factorization.

22666754420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133337730 (or 1133337728 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 22666754420 in words is "twenty-two billion, six hundred sixty-six million, seven hundred fifty-four thousand, four hundred twenty".