1020022 has 8 divisors (see below), whose sum is σ = 1544400. Its totient is φ = 505224.

The previous prime is 1020013. The next prime is 1020023. The reversal of 1020022 is 2200201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1019987 and 1020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122 + ... + 2557.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

2^1020022 is an apocalyptic number.

1020022 is a deficient number, since it is larger than the sum of its proper divisors (524378).

1020022 is a wasteful number, since it uses less digits than its factorization.

1020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1020022 is about 1009.9613854005. The cubic root of 1020022 is about 100.6629946665.

Adding to 1020022 its reverse (2200201), we get a palindrome (3220223).

The spelling of 1020022 in words is "one million, twenty thousand, twenty-two".