2169242937226 has 8 divisors (see below), whose sum is σ = 3366066626820. Its totient is φ = 1047220728288.

The previous prime is 2169242937217. The next prime is 2169242937263. The reversal of 2169242937226 is 6227392429612.

It is a happy number.

It is a Cunningham number, because it is equal to 1472835²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2169242937225 + 1 = 1472835^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2169242937226² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18700370091 + ... + 18700370206.

Almost surely, 2^{2169242937226} is an apocalyptic number.

2169242937226 is a deficient number, since it is larger than the sum of its proper divisors (1196823689594).

2169242937226 is a wasteful number, since it uses less digits than its factorization.

2169242937226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37400740328.

The product of its digits is 7838208, while the sum is 55.

The spelling of 2169242937226 in words is "two trillion, one hundred sixty-nine billion, two hundred forty-two million, nine hundred thirty-seven thousand, two hundred twenty-six".