1087422 has 32 divisors (see below), whose sum is σ = 2633472. Its totient is φ = 292224.

The previous prime is 1087409. The next prime is 1087423. The reversal of 1087422 is 2247801.

It is a junction number, because it is equal to n+sod(n) for n = 1087392 and 1087401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (82296).

2^1087422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316736).

1087422 is an abundant number, since it is smaller than the sum of its proper divisors (1546050).

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

1087422 is a wasteful number, since it uses less digits than its factorization.

1087422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1087422 is about 1042.7952819226. The cubic root of 1087422 is about 102.8330471555.

The spelling of 1087422 in words is "one million, eighty-seven thousand, four hundred twenty-two".