100722624 has 56 divisors (see below), whose sum is σ = 267785088. Its totient is φ = 33411840.

The previous prime is 100722623. The next prime is 100722653. The reversal of 100722624 is 426227001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 100722594 and 100722603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100722623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42429 + ... + 44739.

Almost surely, 2^100722624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100722624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133892544).

100722624 is an abundant number, since it is smaller than the sum of its proper divisors (167062464).

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

100722624 is a wasteful number, since it uses less digits than its factorization.

100722624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 100722624 is about 10036.0661615994. The cubic root of 100722624 is about 465.2742422062.

Adding to 100722624 its reverse (426227001), we get a palindrome (526949625).

The spelling of 100722624 in words is "one hundred million, seven hundred twenty-two thousand, six hundred twenty-four".