1422587 has 4 divisors (see below), whose sum is σ = 1497480. Its totient is φ = 1347696.

The previous prime is 1422583. The next prime is 1422593. The reversal of 1422587 is 7852241.

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

It is a cyclic number.

It is not a de Polignac number, because 1422587 - 2² = 1422583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37418 + ... + 37455.

It is an arithmetic number, because the mean of its divisors is an integer number (374370).

2^1422587 is an apocalyptic number.

1422587 is a deficient number, since it is larger than the sum of its proper divisors (74893).

1422587 is an equidigital number, since it uses as much as digits as its factorization.

1422587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74892.

The product of its digits is 4480, while the sum is 29.

The square root of 1422587 is about 1192.7225159273. The cubic root of 1422587 is about 112.4673024317.

The spelling of 1422587 in words is "one million, four hundred twenty-two thousand, five hundred eighty-seven".