100422161426 has 8 divisors (see below), whose sum is σ = 152124660684. Its totient is φ = 49713941200.

The previous prime is 100422161407. The next prime is 100422161449. The reversal of 100422161426 is 624161224001.

It can be written as a sum of positive squares in 2 ways, for example, as 100203269401 + 218892025 = 316549^2 + 14795^2 .

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

It is a super-2 number, since 2×100422161426² (a number of 23 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, 248569505 + ... + 248569908.

Almost surely, 2^100422161426 is an apocalyptic number.

100422161426 is a deficient number, since it is larger than the sum of its proper divisors (51702499258).

100422161426 is a wasteful number, since it uses less digits than its factorization.

100422161426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497139516.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 100422161426 its reverse (624161224001), we get a palindrome (724583385427).

The spelling of 100422161426 in words is "one hundred billion, four hundred twenty-two million, one hundred sixty-one thousand, four hundred twenty-six".