106220403 has 32 divisors (see below), whose sum is σ = 168736320. Its totient is φ = 66624768.

The previous prime is 106220357. The next prime is 106220407. The reversal of 106220403 is 304022601.

It is a happy number.

106220403 is a `hidden beast` number, since 1 + 0 + 622 + 0 + 40 + 3 = 666.

It is not a de Polignac number, because 106220403 - 2²⁰ = 105171827 is a prime.

It is a super-2 number, since 2×106220403² = 22565548026964818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106220407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35751 + ... + 38607.

It is an arithmetic number, because the mean of its divisors is an integer number (5273010).

Almost surely, 2^106220403 is an apocalyptic number.

106220403 is a deficient number, since it is larger than the sum of its proper divisors (62515917).

106220403 is an frugal number, since it uses more digits than its factorization.

106220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 106220403 is about 10306.3282986716. The cubic root of 106220403 is about 473.5901360021.

The spelling of 106220403 in words is "one hundred six million, two hundred twenty thousand, four hundred three".