1011022 has 4 divisors (see below), whose sum is σ = 1516536. Its totient is φ = 505510.

The previous prime is 1011013. The next prime is 1011029. The reversal of 1011022 is 2201101.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1010996 and 1011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011029) 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 as a sum of consecutive naturals, namely, 252754 + ... + 252757.

It is an arithmetic number, because the mean of its divisors is an integer number (379134).

2^1011022 is an apocalyptic number.

1011022 is a deficient number, since it is larger than the sum of its proper divisors (505514).

1011022 is an equidigital number, since it uses as much as digits as its factorization.

1011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505513.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1011022 is about 1005.4958975550. The cubic root of 1011022 is about 100.3660583776.

Adding to 1011022 its reverse (2201101), we get a palindrome (3212123).

The spelling of 1011022 in words is "one million, eleven thousand, twenty-two".