1422655 has 16 divisors (see below), whose sum is σ = 1884960. Its totient is φ = 1024128.

The previous prime is 1422647. The next prime is 1422661. The reversal of 1422655 is 5562241.

It is a cyclic number.

It is not a de Polignac number, because 1422655 - 2³ = 1422647 is a prime.

1422655 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2541 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (117810).

2^1422655 is an apocalyptic number.

1422655 is a deficient number, since it is larger than the sum of its proper divisors (462305).

1422655 is a wasteful number, since it uses less digits than its factorization.

1422655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 2400, while the sum is 25.

The square root of 1422655 is about 1192.7510217979. The cubic root of 1422655 is about 112.4690943912.

Adding to 1422655 its reverse (5562241), we get a palindrome (6984896).

The spelling of 1422655 in words is "one million, four hundred twenty-two thousand, six hundred fifty-five".