400022204224417 has 4 divisors (see below), whose sum is σ = 400202964373140. Its totient is φ = 399841444075696.

The previous prime is 400022204224369. The next prime is 400022204224453. The reversal of 400022204224417 is 714422402220004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 309998561114176 + 90023643110241 = 17606776^2 + 9488079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400022204224417 is a prime.

It is a super-2 number, since 2×400022204224417² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400022204224457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90380071042 + ... + 90380075467.

It is an arithmetic number, because the mean of its divisors is an integer number (100050741093285).

Almost surely, 2^{400022204224417} is an apocalyptic number.

It is an amenable number.

400022204224417 is a deficient number, since it is larger than the sum of its proper divisors (180760148723).

400022204224417 is a wasteful number, since it uses less digits than its factorization.

400022204224417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180760148722.

The product of its (nonzero) digits is 57344, while the sum is 34.

The spelling of 400022204224417 in words is "four hundred trillion, twenty-two billion, two hundred four million, two hundred twenty-four thousand, four hundred seventeen".