10721022 has 48 divisors (see below), whose sum is σ = 23672880. Its totient is φ = 3234816.

The previous prime is 10721003. The next prime is 10721041. The reversal of 10721022 is 22012701.

It is an interprime number because it is at equal distance from previous prime (10721003) and next prime (10721041).

It is a super-2 number, since 2×10721022² = 229880625448968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10720992 and 10721010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98304 + ... + 98412.

It is an arithmetic number, because the mean of its divisors is an integer number (493185).

Almost surely, 2^10721022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10721022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11836440).

10721022 is an abundant number, since it is smaller than the sum of its proper divisors (12951858).

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

10721022 is a wasteful number, since it uses less digits than its factorization.

10721022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 10721022 is about 3274.2971764945. The cubic root of 10721022 is about 220.5017610834.

Adding to 10721022 its reverse (22012701), we get a palindrome (32733723).

The spelling of 10721022 in words is "ten million, seven hundred twenty-one thousand, twenty-two".