43400122 has 8 divisors (see below), whose sum is σ = 65154996. Its totient is φ = 21681792.

The previous prime is 43400111. The next prime is 43400131. The reversal of 43400122 is 22100434.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 641601 = 6539^2 + 801^2 .

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

It is a super-2 number, since 2×43400122² = 3767141179229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43400096 and 43400105.

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, 5943 + ... + 11050.

Almost surely, 2^43400122 is an apocalyptic number.

43400122 is a deficient number, since it is larger than the sum of its proper divisors (21754874).

43400122 is a wasteful number, since it uses less digits than its factorization.

43400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18272.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43400122 is about 6587.8768962390. The cubic root of 43400122 is about 351.4231091597.

Adding to 43400122 its reverse (22100434), we get a palindrome (65500556).

The spelling of 43400122 in words is "forty-three million, four hundred thousand, one hundred twenty-two".