100231229 has 16 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 84743664.

The previous prime is 100231211. The next prime is 100231231. The reversal of 100231229 is 922132001.

It is a cyclic number.

It is not a de Polignac number, because 100231229 - 2²⁰ = 99182653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100231229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209012 + ... + 209490.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2^100231229 is an apocalyptic number.

It is an amenable number.

100231229 is a deficient number, since it is larger than the sum of its proper divisors (15890371).

100231229 is a wasteful number, since it uses less digits than its factorization.

100231229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100231229 is about 10011.5547743595. The cubic root of 100231229 is about 464.5163646174.

The spelling of 100231229 in words is "one hundred million, two hundred thirty-one thousand, two hundred twenty-nine".