1422155 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 965472.

The previous prime is 1422133. The next prime is 1422163. The reversal of 1422155 is 5512241.

It is a cyclic number.

It is not a de Polignac number, because 1422155 - 2¹² = 1418059 is a prime.

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, 6152 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^1422155 is an apocalyptic number.

1422155 is a deficient number, since it is larger than the sum of its proper divisors (547765).

1422155 is a wasteful number, since it uses less digits than its factorization.

1422155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 400, while the sum is 20.

The square root of 1422155 is about 1192.5414038934. The cubic root of 1422155 is about 112.4559168847.

Adding to 1422155 its reverse (5512241), we get a palindrome (6934396).

The spelling of 1422155 in words is "one million, four hundred twenty-two thousand, one hundred fifty-five".