10622720 has 72 divisors (see below), whose sum is σ = 26171376. Its totient is φ = 4128768.

The previous prime is 10622713. The next prime is 10622747. The reversal of 10622720 is 2722601.

It is a super-2 number, since 2×10622720² = 225684360396800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10622692 and 10622701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54944 + ... + 55136.

Almost surely, 2^10622720 is an apocalyptic number.

10622720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13085688).

10622720 is an abundant number, since it is smaller than the sum of its proper divisors (15548656).

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

10622720 is an equidigital number, since it uses as much as digits as its factorization.

10622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10622720 is about 3259.2514478021. The cubic root of 10622720 is about 219.8257573510.

The spelling of 10622720 in words is "ten million, six hundred twenty-two thousand, seven hundred twenty".