106722396 has 144 divisors (see below), whose sum is σ = 317011968. Its totient is φ = 29913600.

The previous prime is 106722389. The next prime is 106722401. The reversal of 106722396 is 693227601.

It is a super-2 number, since 2×106722396² = 22779339615961632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 106722396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558661 + ... + 558851.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^106722396 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 106722396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158505984).

106722396 is an abundant number, since it is smaller than the sum of its proper divisors (210289572).

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

106722396 is a wasteful number, since it uses less digits than its factorization.

106722396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 106722396 is about 10330.6532223282. The cubic root of 106722396 is about 474.3350192575.

Adding to 106722396 its reverse (693227601), we get a palindrome (799949997).

The spelling of 106722396 in words is "one hundred six million, seven hundred twenty-two thousand, three hundred ninety-six".