100442225554 has 32 divisors (see below), whose sum is σ = 166653723456. Its totient is φ = 45018731520.

The previous prime is 100442225503. The next prime is 100442225557. The reversal of 100442225554 is 455522244001.

It is a super-2 number, since 2×100442225554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100442225557) 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, 11971749 + ... + 11980135.

It is an arithmetic number, because the mean of its divisors is an integer number (5207928858).

Almost surely, 2^100442225554 is an apocalyptic number.

100442225554 is a deficient number, since it is larger than the sum of its proper divisors (66211497902).

100442225554 is a wasteful number, since it uses less digits than its factorization.

100442225554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 100442225554 its reverse (455522244001), we get a palindrome (555964469555).

The spelling of 100442225554 in words is "one hundred billion, four hundred forty-two million, two hundred twenty-five thousand, five hundred fifty-four".