10722220 has 12 divisors (see below), whose sum is σ = 22516704. Its totient is φ = 4288880.

The previous prime is 10722169. The next prime is 10722227. The reversal of 10722220 is 2222701.

It is a super-2 number, since 2×10722220² = 229932003456800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10722194 and 10722203.

It is not an unprimeable number, because it can be changed into a prime (10722227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268036 + ... + 268075.

It is an arithmetic number, because the mean of its divisors is an integer number (1876392).

Almost surely, 2^10722220 is an apocalyptic number.

10722220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10722220 is an abundant number, since it is smaller than the sum of its proper divisors (11794484).

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

10722220 is a wasteful number, since it uses less digits than its factorization.

10722220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536120 (or 536118 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 10722220 is about 3274.4801114070. The cubic root of 10722220 is about 220.5099739594.

Adding to 10722220 its reverse (2222701), we get a palindrome (12944921).

The spelling of 10722220 in words is "ten million, seven hundred twenty-two thousand, two hundred twenty".