1008622 has 4 divisors (see below), whose sum is σ = 1512936. Its totient is φ = 504310.

The previous prime is 1008617. The next prime is 1008659. The reversal of 1008622 is 2268001.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1008622.

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, 252154 + ... + 252157.

It is an arithmetic number, because the mean of its divisors is an integer number (378234).

2^1008622 is an apocalyptic number.

1008622 is a deficient number, since it is larger than the sum of its proper divisors (504314).

1008622 is an equidigital number, since it uses as much as digits as its factorization.

1008622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504313.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1008622 is about 1004.3017474843. The cubic root of 1008622 is about 100.2865779463.

The spelling of 1008622 in words is "one million, eight thousand, six hundred twenty-two".