10281122 has 4 divisors (see below), whose sum is σ = 15421686. Its totient is φ = 5140560.

The previous prime is 10281121. The next prime is 10281143. The reversal of 10281122 is 22118201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22118201 = 7 ⋅3159743.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 1394761 = 2981^2 + 1181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10281122.

It is not an unprimeable number, because it can be changed into a prime (10281121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570279 + ... + 2570282.

Almost surely, 2^10281122 is an apocalyptic number.

10281122 is a deficient number, since it is larger than the sum of its proper divisors (5140564).

10281122 is an equidigital number, since it uses as much as digits as its factorization.

10281122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140563.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 10281122 is about 3206.4188746949. The cubic root of 10281122 is about 217.4437041072.

Adding to 10281122 its reverse (22118201), we get a palindrome (32399323).

The spelling of 10281122 in words is "ten million, two hundred eighty-one thousand, one hundred twenty-two".