1020622 has 4 divisors (see below), whose sum is σ = 1530936. Its totient is φ = 510310.

The previous prime is 1020619. The next prime is 1020631. The reversal of 1020622 is 2260201.

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: 2260201 = 17 ⋅132953.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255154 + ... + 255157.

It is an arithmetic number, because the mean of its divisors is an integer number (382734).

2^1020622 is an apocalyptic number.

1020622 is a deficient number, since it is larger than the sum of its proper divisors (510314).

1020622 is an equidigital number, since it uses as much as digits as its factorization.

1020622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510313.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020622 is about 1010.2583827913. The cubic root of 1020622 is about 100.6827282141.

Adding to 1020622 its reverse (2260201), we get a palindrome (3280823).

The spelling of 1020622 in words is "one million, twenty thousand, six hundred twenty-two".