1020822 has 16 divisors (see below), whose sum is σ = 2227392. Its totient is φ = 309320.

The previous prime is 1020821. The next prime is 1020823. The reversal of 1020822 is 2280201.

It is an interprime number because it is at equal distance from previous prime (1020821) and next prime (1020823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7668 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (139212).

2^1020822 is an apocalyptic number.

1020822 is an abundant number, since it is smaller than the sum of its proper divisors (1206570).

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

1020822 is a wasteful number, since it uses less digits than its factorization.

1020822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15483.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020822 is about 1010.3573625208. The cubic root of 1020822 is about 100.6893043447.

The spelling of 1020822 in words is "one million, twenty thousand, eight hundred twenty-two".