100406222516 has 6 divisors (see below), whose sum is σ = 175710889410. Its totient is φ = 50203111256.

The previous prime is 100406222509. The next prime is 100406222519. The reversal of 100406222516 is 615222604001.

It can be written as a sum of positive squares in only one way, i.e., 100143134116 + 263088400 = 316454^2 + 16220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100406222519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550777811 + ... + 12550777818.

It is an arithmetic number, because the mean of its divisors is an integer number (29285148235).

Almost surely, 2^100406222516 is an apocalyptic number.

It is an amenable number.

100406222516 is a deficient number, since it is larger than the sum of its proper divisors (75304666894).

100406222516 is a wasteful number, since it uses less digits than its factorization.

100406222516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25101555633 (or 25101555631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 100406222516 its reverse (615222604001), we get a palindrome (715628826517).

The spelling of 100406222516 in words is "one hundred billion, four hundred six million, two hundred twenty-two thousand, five hundred sixteen".