100225542 has 32 divisors (see below), whose sum is σ = 210447360. Its totient is φ = 31779360.

The previous prime is 100225529. The next prime is 100225547. The reversal of 100225542 is 245522001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100225547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6408 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (6576480).

Almost surely, 2^100225542 is an apocalyptic number.

100225542 is an abundant number, since it is smaller than the sum of its proper divisors (110221818).

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

100225542 is a wasteful number, since it uses less digits than its factorization.

100225542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 100225542 is about 10011.2707485114. The cubic root of 100225542 is about 464.5075790837.

Adding to 100225542 its reverse (245522001), we get a palindrome (345747543).

The spelling of 100225542 in words is "one hundred million, two hundred twenty-five thousand, five hundred forty-two".