103422240 has 72 divisors (see below), whose sum is σ = 352933308. Its totient is φ = 27578880.

The previous prime is 103422229. The next prime is 103422247. The reversal of 103422240 is 42224301.

103422240 is a `hidden beast` number, since 1 + 0 + 3 + 422 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82955664 + 20466576 = 9108^2 + 4524^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103422247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34471 + ... + 37350.

Almost surely, 2^103422240 is an apocalyptic number.

103422240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103422240 is an abundant number, since it is smaller than the sum of its proper divisors (249511068).

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

103422240 is a wasteful number, since it uses less digits than its factorization.

103422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71842 (or 71831 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 103422240 is about 10169.6725611005. The cubic root of 103422240 is about 469.3944820321.

Adding to 103422240 its reverse (42224301), we get a palindrome (145646541).

The spelling of 103422240 in words is "one hundred three million, four hundred twenty-two thousand, two hundred forty".