10661022 has 24 divisors (see below), whose sum is σ = 23270520. Its totient is φ = 3527280.

The previous prime is 10661011. The next prime is 10661039. The reversal of 10661022 is 22016601.

It is a happy number.

10661022 is a `hidden beast` number, since 1 + 0 + 661 + 0 + 2 + 2 = 666.

10661022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10661022² = 227314780168968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10660986 and 10661004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (969605).

Almost surely, 2^10661022 is an apocalyptic number.

10661022 is an abundant number, since it is smaller than the sum of its proper divisors (12609498).

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

10661022 is a wasteful number, since it uses less digits than its factorization.

10661022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10661022 is about 3265.1220497862. The cubic root of 10661022 is about 220.0896466610.

Adding to 10661022 its reverse (22016601), we get a palindrome (32677623).

The spelling of 10661022 in words is "ten million, six hundred sixty-one thousand, twenty-two".