1087622 has 4 divisors (see below), whose sum is σ = 1631436. Its totient is φ = 543810.

The previous prime is 1087621. The next prime is 1087631. The reversal of 1087622 is 2267801.

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

It is a super-2 number, since 2×1087622² = 2365843229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1087591 and 1087600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271904 + ... + 271907.

It is an arithmetic number, because the mean of its divisors is an integer number (407859).

2^1087622 is an apocalyptic number.

1087622 is a deficient number, since it is larger than the sum of its proper divisors (543814).

1087622 is an equidigital number, since it uses as much as digits as its factorization.

1087622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543813.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1087622 is about 1042.8911736130. The cubic root of 1087622 is about 102.8393511628.

The spelling of 1087622 in words is "one million, eighty-seven thousand, six hundred twenty-two".