100809422 has 32 divisors (see below), whose sum is σ = 183575808. Its totient is φ = 40530816.

The previous prime is 100809409. The next prime is 100809463. The reversal of 100809422 is 224908001.

It is a junction number, because it is equal to n+sod(n) for n = 100809391 and 100809400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110693 + ... + 111599.

It is an arithmetic number, because the mean of its divisors is an integer number (5736744).

Almost surely, 2^100809422 is an apocalyptic number.

100809422 is a deficient number, since it is larger than the sum of its proper divisors (82766386).

100809422 is a wasteful number, since it uses less digits than its factorization.

100809422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 100809422 is about 10040.3895342760. The cubic root of 100809422 is about 465.4078542887.

The spelling of 100809422 in words is "one hundred million, eight hundred nine thousand, four hundred twenty-two".