1022616 has 48 divisors (see below), whose sum is σ = 3166800. Its totient is φ = 292032.

The previous prime is 1022611. The next prime is 1022629. The reversal of 1022616 is 6162201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022611) 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 11 ways as a sum of consecutive naturals, for example, 511 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (65975).

2^1022616 is an apocalyptic number.

It is an amenable number.

1022616 is an abundant number, since it is smaller than the sum of its proper divisors (2144184).

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

1022616 is a wasteful number, since it uses less digits than its factorization.

1022616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1022616 is about 1011.2447774896. The cubic root of 1022616 is about 100.7482538637.

Adding to 1022616 its reverse (6162201), we get a palindrome (7184817).

The spelling of 1022616 in words is "one million, twenty-two thousand, six hundred sixteen".