8401122 has 12 divisors (see below), whose sum is σ = 18202470. Its totient is φ = 2800368.

The previous prime is 8401121. The next prime is 8401147. The reversal of 8401122 is 2211048.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 1320201 = 2661^2 + 1149^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 466729 = 8401122 / (8 + 4 + 0 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 8401095 and 8401104.

It is not an unprimeable number, because it can be changed into a prime (8401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233347 + ... + 233382.

Almost surely, 2^8401122 is an apocalyptic number.

8401122 is an abundant number, since it is smaller than the sum of its proper divisors (9801348).

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

8401122 is a wasteful number, since it uses less digits than its factorization.

8401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466737 (or 466734 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8401122 is about 2898.4689061641. The cubic root of 8401122 is about 203.2883217276.

The spelling of 8401122 in words is "eight million, four hundred one thousand, one hundred twenty-two".